157530790 has 8 divisors (see below), whose sum is σ = 283555440. Its totient is φ = 63012312.

The previous prime is 157530773. The next prime is 157530797. The reversal of 157530790 is 97035751.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157530797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7876530 + ... + 7876549.

It is an arithmetic number, because the mean of its divisors is an integer number (35444430).

Almost surely, 2^157530790 is an apocalyptic number.

157530790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157530790 is a deficient number, since it is larger than the sum of its proper divisors (126024650).

157530790 is a wasteful number, since it uses less digits than its factorization.

157530790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15753086.

The product of its (nonzero) digits is 33075, while the sum is 37.

The square root of 157530790 is about 12551.1270410270. The cubic root of 157530790 is about 540.0763380876.

The spelling of 157530790 in words is "one hundred fifty-seven million, five hundred thirty thousand, seven hundred ninety".