157329546 has 64 divisors (see below), whose sum is σ = 358598016. Its totient is φ = 45593600.

The previous prime is 157329541. The next prime is 157329551. The reversal of 157329546 is 645923751.

It is an interprime number because it is at equal distance from previous prime (157329541) and next prime (157329551).

It is a super-2 number, since 2×157329546² = 49505172089132232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157329498 and 157329507.

It is not an unprimeable number, because it can be changed into a prime (157329541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142870 + ... + 143966.

It is an arithmetic number, because the mean of its divisors is an integer number (5603094).

Almost surely, 2^157329546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157329546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179299008).

157329546 is an abundant number, since it is smaller than the sum of its proper divisors (201268470).

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

157329546 is a wasteful number, since it uses less digits than its factorization.

157329546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207.

The product of its digits is 226800, while the sum is 42.

The square root of 157329546 is about 12543.1075097043. The cubic root of 157329546 is about 539.8462593885.

The spelling of 157329546 in words is "one hundred fifty-seven million, three hundred twenty-nine thousand, five hundred forty-six".