157478480 has 40 divisors (see below), whose sum is σ = 387678312. Its totient is φ = 59285504.

The previous prime is 157478467. The next prime is 157478483. The reversal of 157478480 is 84874751.

It can be written as a sum of positive squares in 4 ways, for example, as 1827904 + 155650576 = 1352^2 + 12476^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×157478480² = 49598943326220800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157478483) 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, 56537 + ... + 59256.

Almost surely, 2^157478480 is an apocalyptic number.

157478480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157478480 is an abundant number, since it is smaller than the sum of its proper divisors (230199832).

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

157478480 is a wasteful number, since it uses less digits than its factorization.

157478480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115823 (or 115817 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 44.

The square root of 157478480 is about 12549.0429913998. The cubic root of 157478480 is about 540.0165518475.

The spelling of 157478480 in words is "one hundred fifty-seven million, four hundred seventy-eight thousand, four hundred eighty".