158453940 has 96 divisors (see below), whose sum is σ = 477912960. Its totient is φ = 39079936.

The previous prime is 158453929. The next prime is 158453959. The reversal of 158453940 is 49354851.

It is a super-2 number, since 2×158453940² = 50215302203047200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 58864 + ... + 61496.

It is an arithmetic number, because the mean of its divisors is an integer number (4978260).

Almost surely, 2^158453940 is an apocalyptic number.

158453940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158453940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238956480).

158453940 is an abundant number, since it is smaller than the sum of its proper divisors (319459020).

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

158453940 is a wasteful number, since it uses less digits than its factorization.

158453940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721 (or 2719 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 158453940 is about 12587.8489028110. The cubic root of 158453940 is about 541.1292554948.

The spelling of 158453940 in words is "one hundred fifty-eight million, four hundred fifty-three thousand, nine hundred forty".