153897456 has 20 divisors (see below), whose sum is σ = 397568552. Its totient is φ = 51299136.

The previous prime is 153897421. The next prime is 153897463. The reversal of 153897456 is 654798351.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 3206197 = 153897456 / (1 + 5 + 3 + 8 + 9 + 7 + 4 + 5 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1603051 + ... + 1603146.

Almost surely, 2^153897456 is an apocalyptic number.

153897456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

153897456 is an abundant number, since it is smaller than the sum of its proper divisors (243671096).

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

153897456 is a wasteful number, since it uses less digits than its factorization.

153897456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206208 (or 3206202 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 153897456 is about 12405.5413424808. The cubic root of 153897456 is about 535.8918434775.

The spelling of 153897456 in words is "one hundred fifty-three million, eight hundred ninety-seven thousand, four hundred fifty-six".