149848453 has 2 divisors, whose sum is σ = 149848454. Its totient is φ = 149848452.

The previous prime is 149848441. The next prime is 149848469. The reversal of 149848453 is 354848941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129436129 + 20412324 = 11377^2 + 4518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149848453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149848403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74924226 + 74924227.

It is an arithmetic number, because the mean of its divisors is an integer number (74924227).

Almost surely, 2^149848453 is an apocalyptic number.

It is an amenable number.

149848453 is a deficient number, since it is larger than the sum of its proper divisors (1).

149848453 is an equidigital number, since it uses as much as digits as its factorization.

149848453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 46.

The square root of 149848453 is about 12241.2602700866. The cubic root of 149848453 is about 531.1502879433.

The spelling of 149848453 in words is "one hundred forty-nine million, eight hundred forty-eight thousand, four hundred fifty-three".