149341057 has 4 divisors (see below), whose sum is σ = 151570096. Its totient is φ = 147112020.

The previous prime is 149341051. The next prime is 149341111. The reversal of 149341057 is 750143941.

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, and also an emirpimes, since its reverse is a distinct semiprime: 750143941 = 139 ⋅5396719.

It is a cyclic number.

It is not a de Polignac number, because 149341057 - 2⁷ = 149340929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149341051) 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, 1114419 + ... + 1114552.

It is an arithmetic number, because the mean of its divisors is an integer number (37892524).

Almost surely, 2^149341057 is an apocalyptic number.

It is an amenable number.

149341057 is a deficient number, since it is larger than the sum of its proper divisors (2229039).

149341057 is an equidigital number, since it uses as much as digits as its factorization.

149341057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229038.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 149341057 is about 12220.5178695504. The cubic root of 149341057 is about 530.5501075950.

Adding to 149341057 its reverse (750143941), we get a palindrome (899484998).

The spelling of 149341057 in words is "one hundred forty-nine million, three hundred forty-one thousand, fifty-seven".