152381761 has 8 divisors (see below), whose sum is σ = 184394880. Its totient is φ = 122929728.

The previous prime is 152381759. The next prime is 152381773. The reversal of 152381761 is 167183251.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 152381761 - 2¹ = 152381759 is a prime.

It is a super-2 number, since 2×152381761² = 46440402170922242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152381741) 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, 640141 + ... + 640378.

It is an arithmetic number, because the mean of its divisors is an integer number (23049360).

Almost surely, 2^152381761 is an apocalyptic number.

It is an amenable number.

152381761 is a deficient number, since it is larger than the sum of its proper divisors (32013119).

152381761 is a wasteful number, since it uses less digits than its factorization.

152381761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280543.

The product of its digits is 10080, while the sum is 34.

The square root of 152381761 is about 12344.3007497387. The cubic root of 152381761 is about 534.1267508085.

The spelling of 152381761 in words is "one hundred fifty-two million, three hundred eighty-one thousand, seven hundred sixty-one".