142694370 has 288 divisors, whose sum is σ = 492972480. Its totient is φ = 28304640.

The previous prime is 142694359. The next prime is 142694393. The reversal of 142694370 is 73496241.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1089205 + ... + 1089335.

It is an arithmetic number, because the mean of its divisors is an integer number (1711710).

Almost surely, 2^142694370 is an apocalyptic number.

142694370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142694370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246486240).

142694370 is an abundant number, since it is smaller than the sum of its proper divisors (350278110).

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

142694370 is a wasteful number, since it uses less digits than its factorization.

142694370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 142694370 is about 11945.4748754497. The cubic root of 142694370 is about 522.5593379036.

The spelling of 142694370 in words is "one hundred forty-two million, six hundred ninety-four thousand, three hundred seventy".