142453980 has 36 divisors (see below), whose sum is σ = 432110952. Its totient is φ = 37987680.

The previous prime is 142453943. The next prime is 142454017. The reversal of 142453980 is 89354241.

142453980 is a `hidden beast` number, since 1 + 42 + 4 + 539 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (142453943) and next prime (142454017).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 395526 + ... + 395885.

It is an arithmetic number, because the mean of its divisors is an integer number (12003082).

Almost surely, 2^142453980 is an apocalyptic number.

142453980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142453980 is an abundant number, since it is smaller than the sum of its proper divisors (289656972).

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

142453980 is a wasteful number, since it uses less digits than its factorization.

142453980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791426 (or 791421 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 142453980 is about 11935.4086649767. The cubic root of 142453980 is about 522.2657298560.

It can be divided in two parts, 14245 and 3980, that added together give a square (18225 = 135²).

The spelling of 142453980 in words is "one hundred forty-two million, four hundred fifty-three thousand, nine hundred eighty".