153430442 has 32 divisors (see below), whose sum is σ = 257572224. Its totient is φ = 67953600.

The previous prime is 153430399. The next prime is 153430463. The reversal of 153430442 is 244034351.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210683 + ... + 211409.

It is an arithmetic number, because the mean of its divisors is an integer number (8049132).

Almost surely, 2^153430442 is an apocalyptic number.

153430442 is a deficient number, since it is larger than the sum of its proper divisors (104141782).

153430442 is a wasteful number, since it uses less digits than its factorization.

153430442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 153430442 is about 12386.7042428565. The cubic root of 153430442 is about 535.3492255092.

Adding to 153430442 its reverse (244034351), we get a palindrome (397464793).

The spelling of 153430442 in words is "one hundred fifty-three million, four hundred thirty thousand, four hundred forty-two".