145415288 has 16 divisors (see below), whose sum is σ = 273203280. Its totient is φ = 72561088.

The previous prime is 145415261. The next prime is 145415317. The reversal of 145415288 is 882514541.

145415288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145415288² = 42291211968245888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14045 + ... + 22092.

It is an arithmetic number, because the mean of its divisors is an integer number (17075205).

Almost surely, 2^145415288 is an apocalyptic number.

It is an amenable number.

145415288 is a deficient number, since it is larger than the sum of its proper divisors (127787992).

145415288 is a wasteful number, since it uses less digits than its factorization.

145415288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36646 (or 36642 counting only the distinct ones).

The product of its digits is 51200, while the sum is 38.

The square root of 145415288 is about 12058.8261451934. The cubic root of 145415288 is about 525.8598613693.

The spelling of 145415288 in words is "one hundred forty-five million, four hundred fifteen thousand, two hundred eighty-eight".