158454840 has 64 divisors (see below), whose sum is σ = 491767200. Its totient is φ = 40796672.

The previous prime is 158454839. The next prime is 158454847. The reversal of 158454840 is 48454851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158454847) 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 15 ways as a sum of consecutive naturals, for example, 19287 + ... + 26246.

Almost surely, 2^158454840 is an apocalyptic number.

158454840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158454840 is an abundant number, since it is smaller than the sum of its proper divisors (333312360).

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

158454840 is a wasteful number, since it uses less digits than its factorization.

158454840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45576 (or 45572 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 39.

The square root of 158454840 is about 12587.8846515211. The cubic root of 158454840 is about 541.1302800100.

The spelling of 158454840 in words is "one hundred fifty-eight million, four hundred fifty-four thousand, eight hundred forty".