145764906 has 24 divisors (see below), whose sum is σ = 339127200. Its totient is φ = 41647032.

The previous prime is 145764847. The next prime is 145764943. The reversal of 145764906 is 609467541.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247606 + ... + 248193.

It is an arithmetic number, because the mean of its divisors is an integer number (14130300).

Almost surely, 2^145764906 is an apocalyptic number.

145764906 is an abundant number, since it is smaller than the sum of its proper divisors (193362294).

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

145764906 is a wasteful number, since it uses less digits than its factorization.

145764906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495818 (or 495811 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 145764906 is about 12073.3137953091. The cubic root of 145764906 is about 526.2809608978.

The spelling of 145764906 in words is "one hundred forty-five million, seven hundred sixty-four thousand, nine hundred six".