155072141 has 8 divisors (see below), whose sum is σ = 184930944. Its totient is φ = 127139760.

The previous prime is 155072131. The next prime is 155072161. The reversal of 155072141 is 141270551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155072141 - 2¹⁰ = 155071117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155072141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155072101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481430 + ... + 481751.

It is an arithmetic number, because the mean of its divisors is an integer number (23116368).

Almost surely, 2^155072141 is an apocalyptic number.

It is an amenable number.

155072141 is a deficient number, since it is larger than the sum of its proper divisors (29858803).

155072141 is an equidigital number, since it uses as much as digits as its factorization.

155072141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963211.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 155072141 is about 12452.7965132335. The cubic root of 155072141 is about 537.2518599350.

The spelling of 155072141 in words is "one hundred fifty-five million, seventy-two thousand, one hundred forty-one".