149011453 has 2 divisors, whose sum is σ = 149011454. Its totient is φ = 149011452.

The previous prime is 149011381. The next prime is 149011487. The reversal of 149011453 is 354110941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85618009 + 63393444 = 9253^2 + 7962^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149011453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149011493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74505726 + 74505727.

It is an arithmetic number, because the mean of its divisors is an integer number (74505727).

Almost surely, 2^149011453 is an apocalyptic number.

It is an amenable number.

149011453 is a deficient number, since it is larger than the sum of its proper divisors (1).

149011453 is an equidigital number, since it uses as much as digits as its factorization.

149011453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 149011453 is about 12207.0247398783. The cubic root of 149011453 is about 530.1595022485.

The spelling of 149011453 in words is "one hundred forty-nine million, eleven thousand, four hundred fifty-three".