192145540 has 24 divisors (see below), whose sum is σ = 403828992. Its totient is φ = 76796640.

The previous prime is 192145517. The next prime is 192145553. The reversal of 192145540 is 45541291.

192145540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28275 + ... + 34405.

It is an arithmetic number, because the mean of its divisors is an integer number (16826208).

Almost surely, 2^192145540 is an apocalyptic number.

192145540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

192145540 is an abundant number, since it is smaller than the sum of its proper divisors (211683452).

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

192145540 is a wasteful number, since it uses less digits than its factorization.

192145540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7707 (or 7705 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 192145540 is about 13861.6571880854. The cubic root of 192145540 is about 577.0455586697.

The spelling of 192145540 in words is "one hundred ninety-two million, one hundred forty-five thousand, five hundred forty".