149465159 has 4 divisors (see below), whose sum is σ = 154619160. Its totient is φ = 144311160.

The previous prime is 149465149. The next prime is 149465209. The reversal of 149465159 is 951564941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951564941 = 41 ⋅23208901.

It is a cyclic number.

It is not a de Polignac number, because 149465159 - 2⁴ = 149465143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149465149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2576957 + ... + 2577014.

It is an arithmetic number, because the mean of its divisors is an integer number (38654790).

Almost surely, 2^149465159 is an apocalyptic number.

149465159 is a deficient number, since it is larger than the sum of its proper divisors (5154001).

149465159 is an equidigital number, since it uses as much as digits as its factorization.

149465159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5154000.

The product of its digits is 194400, while the sum is 44.

The square root of 149465159 is about 12225.5944231763. The cubic root of 149465159 is about 530.6970287899.

The spelling of 149465159 in words is "one hundred forty-nine million, four hundred sixty-five thousand, one hundred fifty-nine".