142245880 has 32 divisors (see below), whose sum is σ = 365775840. Its totient is φ = 48769920.

The previous prime is 142245863. The next prime is 142245889. The reversal of 142245880 is 88542241.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142245889) 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, 253731 + ... + 254290.

It is an arithmetic number, because the mean of its divisors is an integer number (11430495).

Almost surely, 2^142245880 is an apocalyptic number.

142245880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142245880 is an abundant number, since it is smaller than the sum of its proper divisors (223529960).

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

142245880 is a wasteful number, since it uses less digits than its factorization.

142245880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508039 (or 508035 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 142245880 is about 11926.6877212410. The cubic root of 142245880 is about 522.0112933851.

The spelling of 142245880 in words is "one hundred forty-two million, two hundred forty-five thousand, eight hundred eighty".