144972042 has 16 divisors (see below), whose sum is σ = 290824032. Its totient is φ = 48177360.

The previous prime is 144972041. The next prime is 144972043. The reversal of 144972042 is 240279441.

It is an interprime number because it is at equal distance from previous prime (144972041) and next prime (144972043).

It is a junction number, because it is equal to n+sod(n) for n = 144971994 and 144972012.

It is not an unprimeable number, because it can be changed into a prime (144972041) 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, 34513 + ... + 38484.

It is an arithmetic number, because the mean of its divisors is an integer number (18176502).

Almost surely, 2^144972042 is an apocalyptic number.

144972042 is an abundant number, since it is smaller than the sum of its proper divisors (145851990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144972042 is a wasteful number, since it uses less digits than its factorization.

144972042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73333.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 144972042 is about 12040.4336300650. The cubic root of 144972042 is about 525.3250196054.

The spelling of 144972042 in words is "one hundred forty-four million, nine hundred seventy-two thousand, forty-two".