149732593 has 4 divisors (see below), whose sum is σ = 149783040. Its totient is φ = 149682148.

The previous prime is 149732587. The next prime is 149732603. The reversal of 149732593 is 395237941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149732593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149732503) 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, 20473 + ... + 26806.

It is an arithmetic number, because the mean of its divisors is an integer number (37445760).

Almost surely, 2^149732593 is an apocalyptic number.

It is an amenable number.

149732593 is a deficient number, since it is larger than the sum of its proper divisors (50447).

149732593 is an equidigital number, since it uses as much as digits as its factorization.

149732593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50446.

The product of its digits is 204120, while the sum is 43.

The square root of 149732593 is about 12236.5269991121. The cubic root of 149732593 is about 531.0133608497.

The spelling of 149732593 in words is "one hundred forty-nine million, seven hundred thirty-two thousand, five hundred ninety-three".