153032450 has 12 divisors (see below), whose sum is σ = 284640450. Its totient is φ = 61212960.

The previous prime is 153032443. The next prime is 153032471. The reversal of 153032450 is 54230351.

It can be written as a sum of positive squares in 3 ways, for example, as 81342361 + 71690089 = 9019^2 + 8467^2 .

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, 1530275 + ... + 1530374.

Almost surely, 2^153032450 is an apocalyptic number.

153032450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153032450 is a deficient number, since it is larger than the sum of its proper divisors (131608000).

153032450 is a wasteful number, since it uses less digits than its factorization.

153032450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060661 (or 3060656 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 153032450 is about 12370.6285208149. The cubic root of 153032450 is about 534.8859336986.

The spelling of 153032450 in words is "one hundred fifty-three million, thirty-two thousand, four hundred fifty".