145715670 has 48 divisors (see below), whose sum is σ = 401150880. Its totient is φ = 36571392.

The previous prime is 145715627. The next prime is 145715699. The reversal of 145715670 is 76517541.

145715670 is a `hidden beast` number, since 14 + 571 + 5 + 6 + 70 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46090 + ... + 49149.

It is an arithmetic number, because the mean of its divisors is an integer number (8357310).

Almost surely, 2^145715670 is an apocalyptic number.

145715670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145715670 is an abundant number, since it is smaller than the sum of its proper divisors (255435210).

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

145715670 is a wasteful number, since it uses less digits than its factorization.

145715670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95269 (or 95266 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 145715670 is about 12071.2745805901. The cubic root of 145715670 is about 526.2216990627.

The spelling of 145715670 in words is "one hundred forty-five million, seven hundred fifteen thousand, six hundred seventy".