157553641 has 8 divisors (see below), whose sum is σ = 181810304. Its totient is φ = 133734240.

The previous prime is 157553639. The next prime is 157553707. The reversal of 157553641 is 146355751.

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 157553641 - 2¹ = 157553639 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 157553641.

It is not an unprimeable number, because it can be changed into a prime (157553621) 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 7 ways as a sum of consecutive naturals, for example, 108540 + ... + 109981.

It is an arithmetic number, because the mean of its divisors is an integer number (22726288).

Almost surely, 2^157553641 is an apocalyptic number.

It is an amenable number.

157553641 is a deficient number, since it is larger than the sum of its proper divisors (24256663).

157553641 is a wasteful number, since it uses less digits than its factorization.

157553641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218631.

The product of its digits is 63000, while the sum is 37.

The square root of 157553641 is about 12552.0373246736. The cubic root of 157553641 is about 540.1024508403.

The spelling of 157553641 in words is "one hundred fifty-seven million, five hundred fifty-three thousand, six hundred forty-one".