142901408 has 48 divisors (see below), whose sum is σ = 304342920. Its totient is φ = 65657856.

The previous prime is 142901401. The next prime is 142901411. The reversal of 142901408 is 804109241.

It can be written as a sum of positive squares in 4 ways, for example, as 73479184 + 69422224 = 8572^2 + 8332^2 .

It is not an unprimeable number, because it can be changed into a prime (142901401) 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, 111266 + ... + 112542.

Almost surely, 2^142901408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142901408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152171460).

142901408 is an abundant number, since it is smaller than the sum of its proper divisors (161441512).

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

142901408 is a wasteful number, since it uses less digits than its factorization.

142901408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 142901408 is about 11954.1376937025. The cubic root of 142901408 is about 522.8119462290.

The spelling of 142901408 in words is "one hundred forty-two million, nine hundred one thousand, four hundred eight".