142878950 has 12 divisors (see below), whose sum is σ = 265754940. Its totient is φ = 57151560.

The previous prime is 142878929. The next prime is 142878971. The reversal of 142878950 is 59878241.

It is an interprime number because it is at equal distance from previous prime (142878929) and next prime (142878971).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1428740 + ... + 1428839.

It is an arithmetic number, because the mean of its divisors is an integer number (22146245).

Almost surely, 2^142878950 is an apocalyptic number.

142878950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142878950 is a deficient number, since it is larger than the sum of its proper divisors (122875990).

142878950 is a wasteful number, since it uses less digits than its factorization.

142878950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857591 (or 2857586 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 142878950 is about 11953.1983167686. The cubic root of 142878950 is about 522.7845568888.

The spelling of 142878950 in words is "one hundred forty-two million, eight hundred seventy-eight thousand, nine hundred fifty".