153242330 has 32 divisors (see below), whose sum is σ = 291803904. Its totient is φ = 57822336.

The previous prime is 153242317. The next prime is 153242339. The reversal of 153242330 is 33242351.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 153242296 and 153242305.

It is not an unprimeable number, because it can be changed into a prime (153242339) 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, 12227 + ... + 21353.

It is an arithmetic number, because the mean of its divisors is an integer number (9118872).

Almost surely, 2^153242330 is an apocalyptic number.

153242330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153242330 is a deficient number, since it is larger than the sum of its proper divisors (138561574).

153242330 is a wasteful number, since it uses less digits than its factorization.

153242330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9230.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 153242330 is about 12379.1086108815. The cubic root of 153242330 is about 535.1303493491.

Adding to 153242330 its reverse (33242351), we get a palindrome (186484681).

The spelling of 153242330 in words is "one hundred fifty-three million, two hundred forty-two thousand, three hundred thirty".