149498477 has 2 divisors, whose sum is σ = 149498478. Its totient is φ = 149498476.

The previous prime is 149498471. The next prime is 149498497. The reversal of 149498477 is 774894941.

149498477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136095556 + 13402921 = 11666^2 + 3661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149498477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149498471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74749238 + 74749239.

It is an arithmetic number, because the mean of its divisors is an integer number (74749239).

Almost surely, 2^149498477 is an apocalyptic number.

It is an amenable number.

149498477 is a deficient number, since it is larger than the sum of its proper divisors (1).

149498477 is an equidigital number, since it uses as much as digits as its factorization.

149498477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 53.

The square root of 149498477 is about 12226.9569803774. The cubic root of 149498477 is about 530.7364592722.

The spelling of 149498477 in words is "one hundred forty-nine million, four hundred ninety-eight thousand, four hundred seventy-seven".