153961478 has 16 divisors (see below), whose sum is σ = 258083280. Its totient is φ = 68275200.

The previous prime is 153961447. The next prime is 153961481. The reversal of 153961478 is 874169351.

153961478 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84443 + ... + 86246.

It is an arithmetic number, because the mean of its divisors is an integer number (16130205).

Almost surely, 2^153961478 is an apocalyptic number.

153961478 is a deficient number, since it is larger than the sum of its proper divisors (104121802).

153961478 is a wasteful number, since it uses less digits than its factorization.

153961478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170743.

The product of its digits is 181440, while the sum is 44.

The square root of 153961478 is about 12408.1214533063. The cubic root of 153961478 is about 535.9661442750.

The spelling of 153961478 in words is "one hundred fifty-three million, nine hundred sixty-one thousand, four hundred seventy-eight".