154163140 has 24 divisors (see below), whose sum is σ = 342787032. Its totient is φ = 58037760.

The previous prime is 154163137. The next prime is 154163147. The reversal of 154163140 is 41361451.

It can be written as a sum of positive squares in 4 ways, for example, as 3904576 + 150258564 = 1976^2 + 12258^2 .

It is not an unprimeable number, because it can be changed into a prime (154163147) 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, 226371 + ... + 227050.

It is an arithmetic number, because the mean of its divisors is an integer number (14282793).

Almost surely, 2^154163140 is an apocalyptic number.

154163140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154163140 is an abundant number, since it is smaller than the sum of its proper divisors (188623892).

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

154163140 is a wasteful number, since it uses less digits than its factorization.

154163140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453447 (or 453445 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 154163140 is about 12416.2450040260. The cubic root of 154163140 is about 536.2000487774.

The spelling of 154163140 in words is "one hundred fifty-four million, one hundred sixty-three thousand, one hundred forty".