154140320 has 48 divisors (see below), whose sum is σ = 373054248. Its totient is φ = 60149760.

The previous prime is 154140263. The next prime is 154140341. The reversal of 154140320 is 23041451.

It can be written as a sum of positive squares in 4 ways, for example, as 106419856 + 47720464 = 10316^2 + 6908^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 154140292 and 154140301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5189 + ... + 18308.

Almost surely, 2^154140320 is an apocalyptic number.

154140320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154140320 is an abundant number, since it is smaller than the sum of its proper divisors (218913928).

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

154140320 is a wasteful number, since it uses less digits than its factorization.

154140320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23553 (or 23545 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 154140320 is about 12415.3260126345. The cubic root of 154140320 is about 536.1735904663.

Adding to 154140320 its reverse (23041451), we get a palindrome (177181771).

The spelling of 154140320 in words is "one hundred fifty-four million, one hundred forty thousand, three hundred twenty".