142454232 has 24 divisors (see below), whose sum is σ = 385813740. Its totient is φ = 47484720.

The previous prime is 142454231. The next prime is 142454233. The reversal of 142454232 is 232454241.

142454232 is a `hidden beast` number, since 1 + 424 + 5 + 4 + 232 = 666.

It is an interprime number because it is at equal distance from previous prime (142454231) and next prime (142454233).

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 142454196 and 142454205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142454231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 989194 + ... + 989337.

Almost surely, 2^142454232 is an apocalyptic number.

142454232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142454232 is an abundant number, since it is smaller than the sum of its proper divisors (243359508).

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

142454232 is a wasteful number, since it uses less digits than its factorization.

142454232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978543 (or 1978536 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 142454232 is about 11935.4192217953. The cubic root of 142454232 is about 522.2660378172.

Subtracting 142454232 from its reverse (232454241), we obtain a palindrome (90000009).

The spelling of 142454232 in words is "one hundred forty-two million, four hundred fifty-four thousand, two hundred thirty-two".