145372746 has 32 divisors (see below), whose sum is σ = 313668288. Its totient is φ = 44744960.

The previous prime is 145372727. The next prime is 145372783. The reversal of 145372746 is 647273541.

It is a super-3 number, since 3×145372746³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8040 + ... + 18851.

It is an arithmetic number, because the mean of its divisors is an integer number (9802134).

Almost surely, 2^145372746 is an apocalyptic number.

145372746 is an abundant number, since it is smaller than the sum of its proper divisors (168295542).

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

145372746 is a wasteful number, since it uses less digits than its factorization.

145372746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26966.

The product of its digits is 141120, while the sum is 39.

The square root of 145372746 is about 12057.0620799596. The cubic root of 145372746 is about 525.8085753538.

The spelling of 145372746 in words is "one hundred forty-five million, three hundred seventy-two thousand, seven hundred forty-six".