158468740 has 24 divisors (see below), whose sum is σ = 350300160. Its totient is φ = 60051168.

The previous prime is 158468719. The next prime is 158468741. The reversal of 158468740 is 47864851.

It is a super-2 number, since 2×158468740² = 50224683114375200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158468741) 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, 208132 + ... + 208891.

It is an arithmetic number, because the mean of its divisors is an integer number (14595840).

Almost surely, 2^158468740 is an apocalyptic number.

158468740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158468740 is an abundant number, since it is smaller than the sum of its proper divisors (191831420).

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

158468740 is a wasteful number, since it uses less digits than its factorization.

158468740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417051 (or 417049 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 158468740 is about 12588.4367575962. The cubic root of 158468740 is about 541.1461025854.

The spelling of 158468740 in words is "one hundred fifty-eight million, four hundred sixty-eight thousand, seven hundred forty".