149478895 has 8 divisors (see below), whose sum is σ = 180023904. Its totient is φ = 119150304.

The previous prime is 149478881. The next prime is 149478899. The reversal of 149478895 is 598874941.

149478895 = T₇₇₃₀ + T₇₇₃₁ + ... + T₇₇₃₄.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149478895 - 2¹⁵ = 149446127 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 (149478899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52579 + ... + 55348.

It is an arithmetic number, because the mean of its divisors is an integer number (22502988).

Almost surely, 2^149478895 is an apocalyptic number.

149478895 is a deficient number, since it is larger than the sum of its proper divisors (30545009).

149478895 is a wasteful number, since it uses less digits than its factorization.

149478895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108209.

The product of its digits is 2903040, while the sum is 55.

The square root of 149478895 is about 12226.1561825457. The cubic root of 149478895 is about 530.7132854906.

The spelling of 149478895 in words is "one hundred forty-nine million, four hundred seventy-eight thousand, eight hundred ninety-five".