142697376 has 96 divisors (see below), whose sum is σ = 421545600. Its totient is φ = 47542464.

The previous prime is 142697363. The next prime is 142697377. The reversal of 142697376 is 673796241.

142697376 is a `hidden beast` number, since 14 + 269 + 7 + 376 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×142697376² = 40725082234570752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (142697377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68965 + ... + 71003.

It is an arithmetic number, because the mean of its divisors is an integer number (4391100).

Almost surely, 2^142697376 is an apocalyptic number.

142697376 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 142697376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210772800).

142697376 is an abundant number, since it is smaller than the sum of its proper divisors (278848224).

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

142697376 is an frugal number, since it uses more digits than its factorization.

142697376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070 (or 2044 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 142697376 is about 11945.6006964907. The cubic root of 142697376 is about 522.5630072900.

The spelling of 142697376 in words is "one hundred forty-two million, six hundred ninety-seven thousand, three hundred seventy-six".