145815934 has 16 divisors (see below), whose sum is σ = 238846320. Its totient is φ = 66213760.

The previous prime is 145815931. The next prime is 145815941. The reversal of 145815934 is 439518541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145815931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24342 + ... + 29734.

It is an arithmetic number, because the mean of its divisors is an integer number (14927895).

Almost surely, 2^145815934 is an apocalyptic number.

145815934 is a deficient number, since it is larger than the sum of its proper divisors (93030386).

145815934 is a wasteful number, since it uses less digits than its factorization.

145815934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6635.

The product of its digits is 86400, while the sum is 40.

The square root of 145815934 is about 12075.4268661609. The cubic root of 145815934 is about 526.3423655538.

The spelling of 145815934 in words is "one hundred forty-five million, eight hundred fifteen thousand, nine hundred thirty-four".