157416469 has 6 divisors (see below), whose sum is σ = 183117174. Its totient is φ = 134928360.

The previous prime is 157416461. The next prime is 157416473. The reversal of 157416469 is 964614751.

157416469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 157176369 + 240100 = 12537^2 + 490^2 .

It is not a de Polignac number, because 157416469 - 2³ = 157416461 is a prime.

It is a super-2 number, since 2×157416469² = 49559889424855922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157416461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1606242 + ... + 1606339.

It is an arithmetic number, because the mean of its divisors is an integer number (30519529).

Almost surely, 2^157416469 is an apocalyptic number.

It is an amenable number.

157416469 is a deficient number, since it is larger than the sum of its proper divisors (25700705).

157416469 is an equidigital number, since it uses as much as digits as its factorization.

157416469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212595 (or 3212588 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 157416469 is about 12546.5720019454. The cubic root of 157416469 is about 539.9456609702.

The spelling of 157416469 in words is "one hundred fifty-seven million, four hundred sixteen thousand, four hundred sixty-nine".