149464453 has 2 divisors, whose sum is σ = 149464454. Its totient is φ = 149464452.

The previous prime is 149464429. The next prime is 149464477. The reversal of 149464453 is 354464941.

It is a balanced prime because it is at equal distance from previous prime (149464429) and next prime (149464477).

It can be written as a sum of positive squares in only one way, i.e., 122611329 + 26853124 = 11073^2 + 5182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149464453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149464253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74732226 + 74732227.

It is an arithmetic number, because the mean of its divisors is an integer number (74732227).

Almost surely, 2^149464453 is an apocalyptic number.

It is an amenable number.

149464453 is a deficient number, since it is larger than the sum of its proper divisors (1).

149464453 is an equidigital number, since it uses as much as digits as its factorization.

149464453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 40.

The square root of 149464453 is about 12225.5655492906. The cubic root of 149464453 is about 530.6961932045.

The spelling of 149464453 in words is "one hundred forty-nine million, four hundred sixty-four thousand, four hundred fifty-three".