142770541 has 8 divisors (see below), whose sum is σ = 152097120. Its totient is φ = 133625232.

The previous prime is 142770533. The next prime is 142770547. The reversal of 142770541 is 145077241.

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

It is a cyclic number.

It is not a de Polignac number, because 142770541 - 2³ = 142770533 is a prime.

It is a super-4 number, since 4×142770541⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142770547) 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, 43690 + ... + 46843.

It is an arithmetic number, because the mean of its divisors is an integer number (19012140).

Almost surely, 2^142770541 is an apocalyptic number.

It is an amenable number.

142770541 is a deficient number, since it is larger than the sum of its proper divisors (9326579).

142770541 is an equidigital number, since it uses as much as digits as its factorization.

142770541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90635.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 142770541 is about 11948.6627285232. The cubic root of 142770541 is about 522.6523029985.

The spelling of 142770541 in words is "one hundred forty-two million, seven hundred seventy thousand, five hundred forty-one".