142596990 has 32 divisors (see below), whose sum is σ = 380259360. Its totient is φ = 38025792.

The previous prime is 142596953. The next prime is 142596991. The reversal of 142596990 is 99695241.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142596991) 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, 263799 + ... + 264338.

It is an arithmetic number, because the mean of its divisors is an integer number (11883105).

Almost surely, 2^142596990 is an apocalyptic number.

142596990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142596990 is an abundant number, since it is smaller than the sum of its proper divisors (237662370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142596990 is a wasteful number, since it uses less digits than its factorization.

142596990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528153 (or 528147 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 142596990 is about 11941.3981593447. The cubic root of 142596990 is about 522.4404394766.

The spelling of 142596990 in words is "one hundred forty-two million, five hundred ninety-six thousand, nine hundred ninety".