142951673 has 2 divisors, whose sum is σ = 142951674. Its totient is φ = 142951672.

The previous prime is 142951639. The next prime is 142951681. The reversal of 142951673 is 376159241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109160704 + 33790969 = 10448^2 + 5813^2 .

It is a cyclic number.

It is not a de Polignac number, because 142951673 - 2²² = 138757369 is a prime.

It is not a weakly prime, because it can be changed into another prime (142951603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71475836 + 71475837.

It is an arithmetic number, because the mean of its divisors is an integer number (71475837).

Almost surely, 2^142951673 is an apocalyptic number.

It is an amenable number.

142951673 is a deficient number, since it is larger than the sum of its proper divisors (1).

142951673 is an equidigital number, since it uses as much as digits as its factorization.

142951673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 142951673 is about 11956.2399189712. The cubic root of 142951673 is about 522.8732380484.

The spelling of 142951673 in words is "one hundred forty-two million, nine hundred fifty-one thousand, six hundred seventy-three".