153125642 has 8 divisors (see below), whose sum is σ = 229908132. Its totient is φ = 76489600.

The previous prime is 153125633. The next prime is 153125653. The reversal of 153125642 is 246521351.

It can be written as a sum of positive squares in 2 ways, for example, as 138980521 + 14145121 = 11789^2 + 3761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33959 + ... + 38202.

Almost surely, 2^153125642 is an apocalyptic number.

153125642 is a deficient number, since it is larger than the sum of its proper divisors (76782490).

153125642 is a wasteful number, since it uses less digits than its factorization.

153125642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73224.

The product of its digits is 7200, while the sum is 29.

The square root of 153125642 is about 12374.3946114547. The cubic root of 153125642 is about 534.9944879625.

Adding to 153125642 its reverse (246521351), we get a palindrome (399646993).

The spelling of 153125642 in words is "one hundred fifty-three million, one hundred twenty-five thousand, six hundred forty-two".