152381730 has 32 divisors (see below), whose sum is σ = 369344448. Its totient is φ = 40232000.

The previous prime is 152381699. The next prime is 152381737. The reversal of 152381730 is 37183251.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (152381737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22116 + ... + 28175.

It is an arithmetic number, because the mean of its divisors is an integer number (11542014).

Almost surely, 2^152381730 is an apocalyptic number.

152381730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152381730 is an abundant number, since it is smaller than the sum of its proper divisors (216962718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

152381730 is a wasteful number, since it uses less digits than its factorization.

152381730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50402.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 152381730 is about 12344.2994940985. The cubic root of 152381730 is about 534.1267145882.

The spelling of 152381730 in words is "one hundred fifty-two million, three hundred eighty-one thousand, seven hundred thirty".