154228940 has 48 divisors (see below), whose sum is σ = 334158048. Its totient is φ = 59764224.

The previous prime is 154228939. The next prime is 154229017. The reversal of 154228940 is 49822451.

It is a self number, because there is not a number n which added to its sum of digits gives 154228940.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87104 + ... + 88856.

It is an arithmetic number, because the mean of its divisors is an integer number (6961626).

Almost surely, 2^154228940 is an apocalyptic number.

154228940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154228940 is an abundant number, since it is smaller than the sum of its proper divisors (179929108).

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

154228940 is a wasteful number, since it uses less digits than its factorization.

154228940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898 (or 1896 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 154228940 is about 12418.8944757575. The cubic root of 154228940 is about 536.2763249973.

The spelling of 154228940 in words is "one hundred fifty-four million, two hundred twenty-eight thousand, nine hundred forty".