145545651 has 12 divisors (see below), whose sum is σ = 217014720. Its totient is φ = 93900240.

The previous prime is 145545637. The next prime is 145545661. The reversal of 145545651 is 156545541.

145545651 is a `hidden beast` number, since 1 + 4 + 554 + 56 + 51 = 666.

It is not a de Polignac number, because 145545651 - 2⁹ = 145545139 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (145545611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260556 + ... + 261113.

It is an arithmetic number, because the mean of its divisors is an integer number (18084560).

Almost surely, 2^145545651 is an apocalyptic number.

145545651 is a deficient number, since it is larger than the sum of its proper divisors (71469069).

145545651 is a wasteful number, since it uses less digits than its factorization.

145545651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521706 (or 521703 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 145545651 is about 12064.2302282408. The cubic root of 145545651 is about 526.0169567126.

The spelling of 145545651 in words is "one hundred forty-five million, five hundred forty-five thousand, six hundred fifty-one".