149660867 has 2 divisors, whose sum is σ = 149660868. Its totient is φ = 149660866.

The previous prime is 149660837. The next prime is 149660969. The reversal of 149660867 is 768066941.

It is a happy number.

149660867 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 is an emirp because it is prime and its reverse (768066941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149660867 - 2⁶ = 149660803 is a prime.

It is a super-2 number, since 2×149660867² = 44796750222383378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (149660827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74830433 + 74830434.

It is an arithmetic number, because the mean of its divisors is an integer number (74830434).

Almost surely, 2^149660867 is an apocalyptic number.

149660867 is a deficient number, since it is larger than the sum of its proper divisors (1).

149660867 is an equidigital number, since it uses as much as digits as its factorization.

149660867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 149660867 is about 12233.5958327877. The cubic root of 149660867 is about 530.9285573414.

The spelling of 149660867 in words is "one hundred forty-nine million, six hundred sixty thousand, eight hundred sixty-seven".