145888272 has 60 divisors (see below), whose sum is σ = 409112704. Its totient is φ = 48530880.

The previous prime is 145888261. The next prime is 145888307. The reversal of 145888272 is 272888541.

It is a happy number.

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, 117897 + ... + 119127.

Almost surely, 2^145888272 is an apocalyptic number.

145888272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145888272 is an abundant number, since it is smaller than the sum of its proper divisors (263224432).

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

145888272 is a wasteful number, since it uses less digits than its factorization.

145888272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068 (or 2059 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 145888272 is about 12078.4217512057. The cubic root of 145888272 is about 526.4293891014.

The spelling of 145888272 in words is "one hundred forty-five million, eight hundred eighty-eight thousand, two hundred seventy-two".