145087216 has 20 divisors (see below), whose sum is σ = 283256424. Its totient is φ = 71988800.

The previous prime is 145087181. The next prime is 145087253. The reversal of 145087216 is 612780541.

145087216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 32515 + ... + 36706.

Almost surely, 2^145087216 is an apocalyptic number.

145087216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145087216 is a deficient number, since it is larger than the sum of its proper divisors (138169208).

145087216 is a wasteful number, since it uses less digits than its factorization.

145087216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69360 (or 69354 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 145087216 is about 12045.2154816757. The cubic root of 145087216 is about 525.4640987628.

The spelling of 145087216 in words is "one hundred forty-five million, eighty-seven thousand, two hundred sixteen".