148897797 has 8 divisors (see below), whose sum is σ = 198889056. Its totient is φ = 99085872.

The previous prime is 148897789. The next prime is 148897817. The reversal of 148897797 is 797798841.

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

It is not a de Polignac number, because 148897797 - 2³ = 148897789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148897797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148897787) 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, 42883 + ... + 46224.

It is an arithmetic number, because the mean of its divisors is an integer number (24861132).

Almost surely, 2^148897797 is an apocalyptic number.

It is an amenable number.

148897797 is a deficient number, since it is larger than the sum of its proper divisors (49991259).

148897797 is an equidigital number, since it uses as much as digits as its factorization.

148897797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89667.

The product of its digits is 7112448, while the sum is 60.

The square root of 148897797 is about 12202.3684995988. The cubic root of 148897797 is about 530.0246778589.

The spelling of 148897797 in words is "one hundred forty-eight million, eight hundred ninety-seven thousand, seven hundred ninety-seven".