142553530 has 16 divisors (see below), whose sum is σ = 293253120. Its totient is φ = 48875472.

The previous prime is 142553527. The next prime is 142553539. The reversal of 142553530 is 35355241.

It is not an unprimeable number, because it can be changed into a prime (142553539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018170 + ... + 1018309.

It is an arithmetic number, because the mean of its divisors is an integer number (18328320).

Almost surely, 2^142553530 is an apocalyptic number.

142553530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142553530 is an abundant number, since it is smaller than the sum of its proper divisors (150699590).

142553530 is a wasteful number, since it uses less digits than its factorization.

142553530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036493.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 142553530 is about 11939.5783007609. The cubic root of 142553530 is about 522.3873584858.

The spelling of 142553530 in words is "one hundred forty-two million, five hundred fifty-three thousand, five hundred thirty".