149608478 has 8 divisors (see below), whose sum is σ = 228091800. Its totient is φ = 73577880.

The previous prime is 149608471. The next prime is 149608493. The reversal of 149608478 is 874806941.

149608478 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149608471) 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, 613028 + ... + 613271.

It is an arithmetic number, because the mean of its divisors is an integer number (28511475).

Almost surely, 2^149608478 is an apocalyptic number.

149608478 is a deficient number, since it is larger than the sum of its proper divisors (78483322).

149608478 is a wasteful number, since it uses less digits than its factorization.

149608478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226362.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 149608478 is about 12231.4544515360. The cubic root of 149608478 is about 530.8665993450.

The spelling of 149608478 in words is "one hundred forty-nine million, six hundred eight thousand, four hundred seventy-eight".