142811802 has 32 divisors (see below), whose sum is σ = 362697600. Its totient is φ = 40803264.

The previous prime is 142811791. The next prime is 142811813. The reversal of 142811802 is 208118241.

It is an interprime number because it is at equal distance from previous prime (142811791) and next prime (142811813).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 188527 + ... + 189282.

It is an arithmetic number, because the mean of its divisors is an integer number (11334300).

Almost surely, 2^142811802 is an apocalyptic number.

142811802 is an abundant number, since it is smaller than the sum of its proper divisors (219885798).

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

142811802 is a wasteful number, since it uses less digits than its factorization.

142811802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377827 (or 377821 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 142811802 is about 11950.3891986830. The cubic root of 142811802 is about 522.7026473702.

The spelling of 142811802 in words is "one hundred forty-two million, eight hundred eleven thousand, eight hundred two".