149293357 has 2 divisors, whose sum is σ = 149293358. Its totient is φ = 149293356.

The previous prime is 149293351. The next prime is 149293411. The reversal of 149293357 is 753392941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127893481 + 21399876 = 11309^2 + 4626^2 .

It is a cyclic number.

It is not a de Polignac number, because 149293357 - 2³ = 149293349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149293351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74646678 + 74646679.

It is an arithmetic number, because the mean of its divisors is an integer number (74646679).

Almost surely, 2^149293357 is an apocalyptic number.

It is an amenable number.

149293357 is a deficient number, since it is larger than the sum of its proper divisors (1).

149293357 is an equidigital number, since it uses as much as digits as its factorization.

149293357 is an evil number, because the sum of its binary digits is even.

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

The square root of 149293357 is about 12218.5660778996. The cubic root of 149293357 is about 530.4936151262.

It can be divided in two parts, 1492 and 93357, that added together give a palindrome (94849).

The spelling of 149293357 in words is "one hundred forty-nine million, two hundred ninety-three thousand, three hundred fifty-seven".