87045542 has 24 divisors (see below), whose sum is σ = 141796008. Its totient is φ = 39937280.

The previous prime is 87045527. The next prime is 87045589. The reversal of 87045542 is 24554078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56393 + ... + 57915.

It is an arithmetic number, because the mean of its divisors is an integer number (5908167).

Almost surely, 2^87045542 is an apocalyptic number.

87045542 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

87045542 is a deficient number, since it is larger than the sum of its proper divisors (54750466).

87045542 is a wasteful number, since it uses less digits than its factorization.

87045542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 87045542 is about 9329.8200411369. The cubic root of 87045542 is about 443.1820662188.

The spelling of 87045542 in words is "eighty-seven million, forty-five thousand, five hundred forty-two".