154401340 has 12 divisors (see below), whose sum is σ = 324242856. Its totient is φ = 61760528.

The previous prime is 154401301. The next prime is 154401341. The reversal of 154401340 is 43104451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154401341) 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, 3860014 + ... + 3860053.

It is an arithmetic number, because the mean of its divisors is an integer number (27020238).

Almost surely, 2^154401340 is an apocalyptic number.

154401340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154401340 is an abundant number, since it is smaller than the sum of its proper divisors (169841516).

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

154401340 is a wasteful number, since it uses less digits than its factorization.

154401340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7720076 (or 7720074 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 154401340 is about 12425.8335736481. The cubic root of 154401340 is about 536.4760704987.

Adding to 154401340 its reverse (43104451), we get a palindrome (197505791).

The spelling of 154401340 in words is "one hundred fifty-four million, four hundred one thousand, three hundred forty".