142551120 has 80 divisors (see below), whose sum is σ = 467916480. Its totient is φ = 35776512.

The previous prime is 142551107. The next prime is 142551163. The reversal of 142551120 is 21155241.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 13390 + ... + 21549.

It is an arithmetic number, because the mean of its divisors is an integer number (5848956).

Almost surely, 2^142551120 is an apocalyptic number.

142551120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142551120 is an abundant number, since it is smaller than the sum of its proper divisors (325365360).

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

142551120 is a wasteful number, since it uses less digits than its factorization.

142551120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34972 (or 34966 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 142551120 is about 11939.4773754968. The cubic root of 142551120 is about 522.3844146545.

The spelling of 142551120 in words is "one hundred forty-two million, five hundred fifty-one thousand, one hundred twenty".