105156342 has 48 divisors (see below), whose sum is σ = 232071840. Its totient is φ = 34407936.

The previous prime is 105156329. The next prime is 105156367. The reversal of 105156342 is 243651501.

105156342 is a `hidden beast` number, since 10 + 5 + 15 + 634 + 2 = 666.

It is a super-2 number, since 2×105156342² = 22115712525641928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399703 + ... + 399965.

It is an arithmetic number, because the mean of its divisors is an integer number (4834830).

Almost surely, 2^105156342 is an apocalyptic number.

105156342 is an abundant number, since it is smaller than the sum of its proper divisors (126915498).

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

105156342 is a wasteful number, since it uses less digits than its factorization.

105156342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 105156342 is about 10254.5766367998. The cubic root of 105156342 is about 472.0034322981.

The spelling of 105156342 in words is "one hundred five million, one hundred fifty-six thousand, three hundred forty-two".