156654401 has 4 divisors (see below), whose sum is σ = 156680112. Its totient is φ = 156628692.

The previous prime is 156654397. The next prime is 156654413. The reversal of 156654401 is 104456651.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 156654401 - 2² = 156654397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156654101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030 + ... + 17816.

It is an arithmetic number, because the mean of its divisors is an integer number (39170028).

Almost surely, 2^156654401 is an apocalyptic number.

It is an amenable number.

156654401 is a deficient number, since it is larger than the sum of its proper divisors (25711).

156654401 is an equidigital number, since it uses as much as digits as its factorization.

156654401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25710.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 156654401 is about 12516.1655869519. The cubic root of 156654401 is about 539.0729418256.

The spelling of 156654401 in words is "one hundred fifty-six million, six hundred fifty-four thousand, four hundred one".