149007517 has 2 divisors, whose sum is σ = 149007518. Its totient is φ = 149007516.

The previous prime is 149007511. The next prime is 149007541. The reversal of 149007517 is 715700941.

149007517 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., 102030201 + 46977316 = 10101^2 + 6854^2 .

It is a cyclic number.

It is not a de Polignac number, because 149007517 - 2¹¹ = 149005469 is a prime.

It is equal to p_8391751 and since 149007517 and 8391751 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149007511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74503758 + 74503759.

It is an arithmetic number, because the mean of its divisors is an integer number (74503759).

Almost surely, 2^149007517 is an apocalyptic number.

It is an amenable number.

149007517 is a deficient number, since it is larger than the sum of its proper divisors (1).

149007517 is an equidigital number, since it uses as much as digits as its factorization.

149007517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 149007517 is about 12206.8635201677. The cubic root of 149007517 is about 530.1548343161.

The spelling of 149007517 in words is "one hundred forty-nine million, seven thousand, five hundred seventeen".