142153541 has 8 divisors (see below), whose sum is σ = 150638040. Its totient is φ = 133682688.

The previous prime is 142153523. The next prime is 142153567. The reversal of 142153541 is 145351241.

It can be written as a sum of positive squares in 4 ways, for example, as 78393316 + 63760225 = 8854^2 + 7985^2 .

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 142153541 - 2⁶ = 142153477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142153541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142153511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24755 + ... + 29951.

It is an arithmetic number, because the mean of its divisors is an integer number (18829755).

Almost surely, 2^142153541 is an apocalyptic number.

It is an amenable number.

142153541 is a deficient number, since it is larger than the sum of its proper divisors (8484499).

142153541 is a wasteful number, since it uses less digits than its factorization.

142153541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6823.

The product of its digits is 2400, while the sum is 26.

The square root of 142153541 is about 11922.8159844896. The cubic root of 142153541 is about 521.8983142847.

The spelling of 142153541 in words is "one hundred forty-two million, one hundred fifty-three thousand, five hundred forty-one".