149153005 has 4 divisors (see below), whose sum is σ = 178983612. Its totient is φ = 119322400.

The previous prime is 149152979. The next prime is 149153009. The reversal of 149153005 is 500351941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500351941 = 1579 ⋅316879.

It can be written as a sum of positive squares in 2 ways, for example, as 42588676 + 106564329 = 6526^2 + 10323^2 .

It is not a de Polignac number, because 149153005 - 2⁵ = 149152973 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 (149153009) 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, 14915296 + ... + 14915305.

It is an arithmetic number, because the mean of its divisors is an integer number (44745903).

Almost surely, 2^149153005 is an apocalyptic number.

It is an amenable number.

149153005 is a deficient number, since it is larger than the sum of its proper divisors (29830607).

149153005 is an equidigital number, since it uses as much as digits as its factorization.

149153005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29830606.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 149153005 is about 12212.8213366118. The cubic root of 149153005 is about 530.3273224307.

The spelling of 149153005 in words is "one hundred forty-nine million, one hundred fifty-three thousand, five".