153980451 has 12 divisors (see below), whose sum is σ = 223265328. Its totient is φ = 102261744.

The previous prime is 153980417. The next prime is 153980471. The reversal of 153980451 is 154089351.

153980451 is a `hidden beast` number, since 1 + 539 + 80 + 45 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-153980451 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (153980471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30160 + ... + 34893.

It is an arithmetic number, because the mean of its divisors is an integer number (18605444).

Almost surely, 2^153980451 is an apocalyptic number.

153980451 is a deficient number, since it is larger than the sum of its proper divisors (69284877).

153980451 is a wasteful number, since it uses less digits than its factorization.

153980451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65322 (or 65319 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 153980451 is about 12408.8859693367. The cubic root of 153980451 is about 535.9881594529.

Subtracting 153980451 from its reverse (154089351), we obtain a square (108900 = 330²).

The spelling of 153980451 in words is "one hundred fifty-three million, nine hundred eighty thousand, four hundred fifty-one".