145893836 has 12 divisors (see below), whose sum is σ = 278524680. Its totient is φ = 66315360.

The previous prime is 145893827. The next prime is 145893851. The reversal of 145893836 is 638398541.

It is a super-2 number, since 2×145893836² = 42570022765589792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1657841 + ... + 1657928.

It is an arithmetic number, because the mean of its divisors is an integer number (23210390).

Almost surely, 2^145893836 is an apocalyptic number.

It is an amenable number.

145893836 is a deficient number, since it is larger than the sum of its proper divisors (132630844).

145893836 is a wasteful number, since it uses less digits than its factorization.

145893836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315784 (or 3315782 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 145893836 is about 12078.6520771152. The cubic root of 145893836 is about 526.4360814737.

The spelling of 145893836 in words is "one hundred forty-five million, eight hundred ninety-three thousand, eight hundred thirty-six".