152193730 has 16 divisors (see below), whose sum is σ = 295021944. Its totient is φ = 56194560.

The previous prime is 152193689. The next prime is 152193733. The reversal of 152193730 is 37391251.

It can be written as a sum of positive squares in 4 ways, for example, as 102758769 + 49434961 = 10137^2 + 7031^2 .

It is a junction number, because it is equal to n+sod(n) for n = 152193692 and 152193701.

It is not an unprimeable number, because it can be changed into a prime (152193733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585231 + ... + 585490.

Almost surely, 2^152193730 is an apocalyptic number.

152193730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152193730 is a deficient number, since it is larger than the sum of its proper divisors (142828214).

152193730 is a wasteful number, since it uses less digits than its factorization.

152193730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170741.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 152193730 is about 12336.6822930640. The cubic root of 152193730 is about 533.9069657017.

The spelling of 152193730 in words is "one hundred fifty-two million, one hundred ninety-three thousand, seven hundred thirty".