149433731 has 2 divisors, whose sum is σ = 149433732. Its totient is φ = 149433730.

The previous prime is 149433719. The next prime is 149433743. The reversal of 149433731 is 137334941.

It is a balanced prime because it is at equal distance from previous prime (149433719) and next prime (149433743).

It is a cyclic number.

It is not a de Polignac number, because 149433731 - 2²² = 145239427 is a prime.

It is a super-2 number, since 2×149433731² = 44660879921160722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 149433691 and 149433700.

It is not a weakly prime, because it can be changed into another prime (149433751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74716865 + 74716866.

It is an arithmetic number, because the mean of its divisors is an integer number (74716866).

Almost surely, 2^149433731 is an apocalyptic number.

149433731 is a deficient number, since it is larger than the sum of its proper divisors (1).

149433731 is an equidigital number, since it uses as much as digits as its factorization.

149433731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 149433731 is about 12224.3090193270. The cubic root of 149433731 is about 530.6598296739.

The spelling of 149433731 in words is "one hundred forty-nine million, four hundred thirty-three thousand, seven hundred thirty-one".