145156946 has 16 divisors (see below), whose sum is σ = 237837600. Its totient is φ = 65894880.

The previous prime is 145156943. The next prime is 145156961. The reversal of 145156946 is 649651541.

145156946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145156943) 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, 15005 + ... + 22703.

It is an arithmetic number, because the mean of its divisors is an integer number (14864850).

Almost surely, 2^145156946 is an apocalyptic number.

145156946 is a deficient number, since it is larger than the sum of its proper divisors (92680654).

145156946 is a wasteful number, since it uses less digits than its factorization.

145156946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8569.

The product of its digits is 129600, while the sum is 41.

The square root of 145156946 is about 12048.1096442554. The cubic root of 145156946 is about 525.5482659377.

The spelling of 145156946 in words is "one hundred forty-five million, one hundred fifty-six thousand, nine hundred forty-six".