142051541 has 8 divisors (see below), whose sum is σ = 155594520. Its totient is φ = 129084928.

The previous prime is 142051537. The next prime is 142051561. The reversal of 142051541 is 145150241.

142051541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 85951441 + 56100100 = 9271^2 + 7490^2 .

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 142051541 - 2² = 142051537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142051561) 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, 143576 + ... + 144561.

It is an arithmetic number, because the mean of its divisors is an integer number (19449315).

Almost surely, 2^142051541 is an apocalyptic number.

It is an amenable number.

142051541 is a deficient number, since it is larger than the sum of its proper divisors (13542979).

142051541 is a wasteful number, since it uses less digits than its factorization.

142051541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288183.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 142051541 is about 11918.5377039300. The cubic root of 142051541 is about 521.7734578206.

The spelling of 142051541 in words is "one hundred forty-two million, fifty-one thousand, five hundred forty-one".