153870345 has 24 divisors (see below), whose sum is σ = 278306496. Its totient is φ = 78495648.

The previous prime is 153870331. The next prime is 153870347. The reversal of 153870345 is 543078351.

It is not a de Polignac number, because 153870345 - 2⁷ = 153870217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153870347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73299 + ... + 75368.

It is an arithmetic number, because the mean of its divisors is an integer number (11596104).

Almost surely, 2^153870345 is an apocalyptic number.

153870345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153870345 is a deficient number, since it is larger than the sum of its proper divisors (124436151).

153870345 is a wasteful number, since it uses less digits than its factorization.

153870345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148701 (or 148698 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 153870345 is about 12404.4485971767. The cubic root of 153870345 is about 535.8603735681.

The spelling of 153870345 in words is "one hundred fifty-three million, eight hundred seventy thousand, three hundred forty-five".