157494669 has 8 divisors (see below), whose sum is σ = 210071040. Its totient is φ = 104957376.

The previous prime is 157494611. The next prime is 157494671. The reversal of 157494669 is 966494751.

157494669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 157494669 - 2⁸ = 157494413 is a prime.

It is a super-2 number, since 2×157494669² = 49609141526839122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157424669) 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, 1492 + ... + 17810.

It is an arithmetic number, because the mean of its divisors is an integer number (26258880).

Almost surely, 2^157494669 is an apocalyptic number.

It is an amenable number.

157494669 is a deficient number, since it is larger than the sum of its proper divisors (52576371).

157494669 is a wasteful number, since it uses less digits than its factorization.

157494669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19539.

The product of its digits is 1632960, while the sum is 51.

The square root of 157494669 is about 12549.6880040900. The cubic root of 157494669 is about 540.0350560232.

The spelling of 157494669 in words is "one hundred fifty-seven million, four hundred ninety-four thousand, six hundred sixty-nine".