142951090 has 8 divisors (see below), whose sum is σ = 257311980. Its totient is φ = 57180432.

The previous prime is 142951043. The next prime is 142951093. The reversal of 142951090 is 90159241.

It can be written as a sum of positive squares in 2 ways, for example, as 142587481 + 363609 = 11941^2 + 603^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (142951093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7147545 + ... + 7147564.

Almost surely, 2^142951090 is an apocalyptic number.

142951090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142951090 is a deficient number, since it is larger than the sum of its proper divisors (114360890).

142951090 is a wasteful number, since it uses less digits than its factorization.

142951090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14295116.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 142951090 is about 11956.2155383717. The cubic root of 142951090 is about 522.8725272359.

The spelling of 142951090 in words is "one hundred forty-two million, nine hundred fifty-one thousand, ninety".