149426747 has 2 divisors, whose sum is σ = 149426748. Its totient is φ = 149426746.

The previous prime is 149426743. The next prime is 149426833. The reversal of 149426747 is 747624941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149426747 - 2² = 149426743 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 149426698 and 149426707.

It is not a weakly prime, because it can be changed into another prime (149426743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74713373 + 74713374.

It is an arithmetic number, because the mean of its divisors is an integer number (74713374).

Almost surely, 2^149426747 is an apocalyptic number.

149426747 is a deficient number, since it is larger than the sum of its proper divisors (1).

149426747 is an equidigital number, since it uses as much as digits as its factorization.

149426747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 44.

The square root of 149426747 is about 12224.0233556714. The cubic root of 149426747 is about 530.6515624953.

The spelling of 149426747 in words is "one hundred forty-nine million, four hundred twenty-six thousand, seven hundred forty-seven".