142133925 has 12 divisors (see below), whose sum is σ = 234994880. Its totient is φ = 75804720.

The previous prime is 142133917. The next prime is 142133933. The reversal of 142133925 is 529331241.

It is an interprime number because it is at equal distance from previous prime (142133917) and next prime (142133933).

It is not a de Polignac number, because 142133925 - 2³ = 142133917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142133892 and 142133901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 947485 + ... + 947634.

Almost surely, 2^142133925 is an apocalyptic number.

142133925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142133925 is a deficient number, since it is larger than the sum of its proper divisors (92860955).

142133925 is a wasteful number, since it uses less digits than its factorization.

142133925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895132 (or 1895127 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 142133925 is about 11921.9933316539. The cubic root of 142133925 is about 521.8743073126.

The spelling of 142133925 in words is "one hundred forty-two million, one hundred thirty-three thousand, nine hundred twenty-five".