149845593 has 16 divisors (see below), whose sum is σ = 201801600. Its totient is φ = 98898816.

The previous prime is 149845573. The next prime is 149845603. The reversal of 149845593 is 395548941.

It is not a de Polignac number, because 149845593 - 2⁸ = 149845337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149845513) 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, 174421 + ... + 175277.

It is an arithmetic number, because the mean of its divisors is an integer number (12612600).

Almost surely, 2^149845593 is an apocalyptic number.

It is an amenable number.

149845593 is a deficient number, since it is larger than the sum of its proper divisors (51956007).

149845593 is a wasteful number, since it uses less digits than its factorization.

149845593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376.

The product of its digits is 777600, while the sum is 48.

The square root of 149845593 is about 12241.1434514918. The cubic root of 149845593 is about 531.1469087526.

The spelling of 149845593 in words is "one hundred forty-nine million, eight hundred forty-five thousand, five hundred ninety-three".