142451696 has 40 divisors (see below), whose sum is σ = 297314304. Its totient is φ = 65926080.

The previous prime is 142451693. The next prime is 142451707. The reversal of 142451696 is 696154241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142451693) 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, 5165 + ... + 17651.

Almost surely, 2^142451696 is an apocalyptic number.

142451696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142451696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148657152).

142451696 is an abundant number, since it is smaller than the sum of its proper divisors (154862608).

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

142451696 is a wasteful number, since it uses less digits than its factorization.

142451696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12549 (or 12543 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 142451696 is about 11935.3129829092. The cubic root of 142451696 is about 522.2629386358.

The spelling of 142451696 in words is "one hundred forty-two million, four hundred fifty-one thousand, six hundred ninety-six".