145376138 has 16 divisors (see below), whose sum is σ = 223948800. Its totient is φ = 70748496.

The previous prime is 145376117. The next prime is 145376141. The reversal of 145376138 is 831673541.

It is a super-2 number, since 2×145376138² = 42268442999590088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8063 + ... + 18861.

It is an arithmetic number, because the mean of its divisors is an integer number (13996800).

Almost surely, 2^145376138 is an apocalyptic number.

145376138 is a deficient number, since it is larger than the sum of its proper divisors (78572662).

145376138 is a wasteful number, since it uses less digits than its factorization.

145376138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10981.

The product of its digits is 60480, while the sum is 38.

The square root of 145376138 is about 12057.2027435886. The cubic root of 145376138 is about 525.8126649072.

The spelling of 145376138 in words is "one hundred forty-five million, three hundred seventy-six thousand, one hundred thirty-eight".