145651608 has 40 divisors (see below), whose sum is σ = 407961180. Its totient is φ = 48550320.

The previous prime is 145651607. The next prime is 145651633. The reversal of 145651608 is 806156541.

145651608 is a `hidden beast` number, since 1 + 45 + 6 + 5 + 1 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145651603) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 111738 + ... + 113033.

Almost surely, 2^145651608 is an apocalyptic number.

145651608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

145651608 is an abundant number, since it is smaller than the sum of its proper divisors (262309572).

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

145651608 is a wasteful number, since it uses less digits than its factorization.

145651608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224789 (or 224776 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 145651608 is about 12068.6207994120. The cubic root of 145651608 is about 526.1445722494.

The spelling of 145651608 in words is "one hundred forty-five million, six hundred fifty-one thousand, six hundred eight".