154142254 has 16 divisors (see below), whose sum is σ = 265868928. Its totient is φ = 65654712.

The previous prime is 154142239. The next prime is 154142257. The reversal of 154142254 is 452241451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154142257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31492 + ... + 36055.

It is an arithmetic number, because the mean of its divisors is an integer number (16616808).

Almost surely, 2^154142254 is an apocalyptic number.

154142254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

154142254 is a deficient number, since it is larger than the sum of its proper divisors (111726674).

154142254 is a wasteful number, since it uses less digits than its factorization.

154142254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67719.

The product of its digits is 6400, while the sum is 28.

The square root of 154142254 is about 12415.4038999946. The cubic root of 154142254 is about 536.1758329153.

The spelling of 154142254 in words is "one hundred fifty-four million, one hundred forty-two thousand, two hundred fifty-four".