142154055 has 16 divisors (see below), whose sum is σ = 252718560. Its totient is φ = 75815424.

The previous prime is 142154041. The next prime is 142154059. The reversal of 142154055 is 550451241.

It is not a de Polignac number, because 142154055 - 2⁸ = 142153799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142154059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526362 + ... + 526631.

It is an arithmetic number, because the mean of its divisors is an integer number (15794910).

Almost surely, 2^142154055 is an apocalyptic number.

142154055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142154055 is a deficient number, since it is larger than the sum of its proper divisors (110564505).

142154055 is a wasteful number, since it uses less digits than its factorization.

142154055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053007 (or 1053001 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 142154055 is about 11922.8375397805. The cubic root of 142154055 is about 521.8989433121.

The spelling of 142154055 in words is "one hundred forty-two million, one hundred fifty-four thousand, fifty-five".