154145380 has 12 divisors (see below), whose sum is σ = 323705340. Its totient is φ = 61658144.

The previous prime is 154145323. The next prime is 154145389. The reversal of 154145380 is 83541451.

It can be written as a sum of positive squares in 2 ways, for example, as 77827684 + 76317696 = 8822^2 + 8736^2 .

It is not an unprimeable number, because it can be changed into a prime (154145389) 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, 3853615 + ... + 3853654.

It is an arithmetic number, because the mean of its divisors is an integer number (26975445).

Almost surely, 2^154145380 is an apocalyptic number.

154145380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154145380 is an abundant number, since it is smaller than the sum of its proper divisors (169559960).

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

154145380 is a wasteful number, since it uses less digits than its factorization.

154145380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7707278 (or 7707276 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 154145380 is about 12415.5297913541. The cubic root of 154145380 is about 536.1794574337.

The spelling of 154145380 in words is "one hundred fifty-four million, one hundred forty-five thousand, three hundred eighty".