142451554 has 16 divisors (see below), whose sum is σ = 250803648. Its totient is φ = 59400432.

The previous prime is 142451539. The next prime is 142451557. The reversal of 142451554 is 455154241.

It is a happy number.

142451554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142451557) 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, 136984 + ... + 138019.

It is an arithmetic number, because the mean of its divisors is an integer number (15675228).

Almost surely, 2^142451554 is an apocalyptic number.

142451554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142451554 is a deficient number, since it is larger than the sum of its proper divisors (108352094).

142451554 is a wasteful number, since it uses less digits than its factorization.

142451554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275049.

The product of its digits is 16000, while the sum is 31.

The square root of 142451554 is about 11935.3070341739. The cubic root of 142451554 is about 522.2627651001.

The spelling of 142451554 in words is "one hundred forty-two million, four hundred fifty-one thousand, five hundred fifty-four".