142631925 has 12 divisors (see below), whose sum is σ = 235818240. Its totient is φ = 76070320.

The previous prime is 142631869. The next prime is 142631927. The reversal of 142631925 is 529136241.

It is not a de Polignac number, because 142631925 - 2¹⁴ = 142615541 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142631927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 950805 + ... + 950954.

It is an arithmetic number, because the mean of its divisors is an integer number (19651520).

Almost surely, 2^142631925 is an apocalyptic number.

142631925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142631925 is a deficient number, since it is larger than the sum of its proper divisors (93186315).

142631925 is a wasteful number, since it uses less digits than its factorization.

142631925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901772 (or 1901767 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 142631925 is about 11942.8608381744. The cubic root of 142631925 is about 522.4831004203.

The spelling of 142631925 in words is "one hundred forty-two million, six hundred thirty-one thousand, nine hundred twenty-five".