149020767 has 24 divisors (see below), whose sum is σ = 248270880. Its totient is φ = 84369600.

The previous prime is 149020747. The next prime is 149020783. The reversal of 149020767 is 767020941.

It is a happy number.

149020767 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149020767 - 2⁷ = 149020639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149020727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3984 + ... + 17717.

It is an arithmetic number, because the mean of its divisors is an integer number (10344620).

Almost surely, 2^149020767 is an apocalyptic number.

149020767 is a deficient number, since it is larger than the sum of its proper divisors (99250113).

149020767 is a wasteful number, since it uses less digits than its factorization.

149020767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21823 (or 21820 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 149020767 is about 12207.4062355604. The cubic root of 149020767 is about 530.1705479380.

The spelling of 149020767 in words is "one hundred forty-nine million, twenty thousand, seven hundred sixty-seven".