151583 has 4 divisors (see below), whose sum is σ = 156840. Its totient is φ = 146328.

The previous prime is 151579. The next prime is 151597. The reversal of 151583 is 385151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151583 - 2² = 151579 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151523) 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, 2585 + ... + 2642.

It is an arithmetic number, because the mean of its divisors is an integer number (39210).

2¹⁵¹⁵⁸³ is an apocalyptic number.

151583 is a deficient number, since it is larger than the sum of its proper divisors (5257).

151583 is an equidigital number, since it uses as much as digits as its factorization.

151583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256.

The product of its digits is 600, while the sum is 23.

The square root of 151583 is about 389.3366152830. The cubic root of 151583 is about 53.3191846149.

The spelling of 151583 in words is "one hundred fifty-one thousand, five hundred eighty-three".