1451545506 has 12 divisors (see below), whose sum is σ = 3145015302. Its totient is φ = 483848496.

The previous prime is 1451545477. The next prime is 1451545549. The reversal of 1451545506 is 6055451541.

1451545506 is a `hidden beast` number, since 1 + 4 + 51 + 54 + 550 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1118300481 + 333245025 = 33441^2 + 18255^2 .

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 a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40320691 + ... + 40320726.

Almost surely, 2^1451545506 is an apocalyptic number.

1451545506 is an abundant number, since it is smaller than the sum of its proper divisors (1693469796).

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

1451545506 is a wasteful number, since it uses less digits than its factorization.

1451545506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80641425 (or 80641422 counting only the distinct ones).

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

The square root of 1451545506 is about 38099.1536126460. The cubic root of 1451545506 is about 1132.2531871542.

The spelling of 1451545506 in words is "one billion, four hundred fifty-one million, five hundred forty-five thousand, five hundred six".