154485738 has 64 divisors (see below), whose sum is σ = 376243200. Its totient is φ = 46597680.

The previous prime is 154485707. The next prime is 154485761. The reversal of 154485738 is 837584451.

154485738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 154485693 and 154485702.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167643 + ... + 168561.

It is an arithmetic number, because the mean of its divisors is an integer number (5878800).

Almost surely, 2^154485738 is an apocalyptic number.

154485738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 154485738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188121600).

154485738 is an abundant number, since it is smaller than the sum of its proper divisors (221757462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154485738 is a wasteful number, since it uses less digits than its factorization.

154485738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1218 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 154485738 is about 12429.2291796394. The cubic root of 154485738 is about 536.5738012138.

The spelling of 154485738 in words is "one hundred fifty-four million, four hundred eighty-five thousand, seven hundred thirty-eight".