145455651 has 12 divisors (see below), whose sum is σ = 229203000. Its totient is φ = 88154880.

The previous prime is 145455643. The next prime is 145455683. The reversal of 145455651 is 156554541.

145455651 is a `hidden beast` number, since 1 + 4 + 54 + 556 + 51 = 666.

145455651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145455651 - 2³ = 145455643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145455601) 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, 734526 + ... + 734723.

It is an arithmetic number, because the mean of its divisors is an integer number (19100250).

Almost surely, 2^145455651 is an apocalyptic number.

145455651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145455651 is a deficient number, since it is larger than the sum of its proper divisors (83747349).

145455651 is a wasteful number, since it uses less digits than its factorization.

145455651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469266 (or 1469263 counting only the distinct ones).

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

The square root of 145455651 is about 12060.4996165167. The cubic root of 145455651 is about 525.9085112702.

The spelling of 145455651 in words is "one hundred forty-five million, four hundred fifty-five thousand, six hundred fifty-one".