154125530 has 64 divisors (see below), whose sum is σ = 328285440. Its totient is φ = 51549696.

The previous prime is 154125497. The next prime is 154125533. The reversal of 154125530 is 35521451.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 154125530.

It is not an unprimeable number, because it can be changed into a prime (154125533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55454 + ... + 58166.

It is an arithmetic number, because the mean of its divisors is an integer number (5129460).

Almost surely, 2^154125530 is an apocalyptic number.

154125530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154125530 is an abundant number, since it is smaller than the sum of its proper divisors (174159910).

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

154125530 is a wasteful number, since it uses less digits than its factorization.

154125530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 154125530 is about 12414.7303635641. The cubic root of 154125530 is about 536.1564410252.

Adding to 154125530 its reverse (35521451), we get a palindrome (189646981).

The spelling of 154125530 in words is "one hundred fifty-four million, one hundred twenty-five thousand, five hundred thirty".