157477450 has 24 divisors (see below), whose sum is σ = 315440748. Its totient is φ = 58145280.

The previous prime is 157477393. The next prime is 157477451. The reversal of 157477450 is 54774751.

It is a happy number.

157477450 is digitally balanced in base 3, 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 6 ways, for example, as 1951609 + 155525841 = 1397^2 + 12471^2 .

It is not an unprimeable number, because it can be changed into a prime (157477451) 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 11 ways as a sum of consecutive naturals, for example, 120487 + ... + 121786.

Almost surely, 2^157477450 is an apocalyptic number.

157477450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157477450 is an abundant number, since it is smaller than the sum of its proper divisors (157963298).

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

157477450 is a wasteful number, since it uses less digits than its factorization.

157477450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242298 (or 242293 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 40.

The square root of 157477450 is about 12549.0019523466. The cubic root of 157477450 is about 540.0153745051.

The spelling of 157477450 in words is "one hundred fifty-seven million, four hundred seventy-seven thousand, four hundred fifty".