158625742 has 48 divisors (see below), whose sum is σ = 280941840. Its totient is φ = 66585600.

The previous prime is 158625707. The next prime is 158625743. The reversal of 158625742 is 247526851.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 158625695 and 158625704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158625743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 387634 + ... + 388042.

It is an arithmetic number, because the mean of its divisors is an integer number (5852955).

Almost surely, 2^158625742 is an apocalyptic number.

158625742 is a deficient number, since it is larger than the sum of its proper divisors (122316098).

158625742 is a wasteful number, since it uses less digits than its factorization.

158625742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 500 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 158625742 is about 12594.6711747469. The cubic root of 158625742 is about 541.3247560696.

The spelling of 158625742 in words is "one hundred fifty-eight million, six hundred twenty-five thousand, seven hundred forty-two".