153442971 has 16 divisors (see below), whose sum is σ = 247989120. Its totient is φ = 92995560.

The previous prime is 153442957. The next prime is 153442979. The reversal of 153442971 is 179244351.

153442971 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 153442971 - 2⁶ = 153442907 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 (153442979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258025 + ... + 258618.

It is an arithmetic number, because the mean of its divisors is an integer number (15499320).

Almost surely, 2^153442971 is an apocalyptic number.

153442971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

153442971 is a deficient number, since it is larger than the sum of its proper divisors (94546149).

153442971 is a wasteful number, since it uses less digits than its factorization.

153442971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516663 (or 516657 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 153442971 is about 12387.2099764233. The cubic root of 153442971 is about 535.3637971674.

The spelling of 153442971 in words is "one hundred fifty-three million, four hundred forty-two thousand, nine hundred seventy-one".