142473764 has 6 divisors (see below), whose sum is σ = 249329094. Its totient is φ = 71236880.

The previous prime is 142473757. The next prime is 142473767. The reversal of 142473764 is 467374241.

It can be written as a sum of positive squares in only one way, i.e., 139051264 + 3422500 = 11792^2 + 1850^2 .

It is not an unprimeable number, because it can be changed into a prime (142473767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17809217 + ... + 17809224.

It is an arithmetic number, because the mean of its divisors is an integer number (41554849).

Almost surely, 2^142473764 is an apocalyptic number.

It is an amenable number.

142473764 is a deficient number, since it is larger than the sum of its proper divisors (106855330).

142473764 is a wasteful number, since it uses less digits than its factorization.

142473764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35618445 (or 35618443 counting only the distinct ones).

The product of its digits is 112896, while the sum is 38.

The square root of 142473764 is about 11936.2374306144. The cubic root of 142473764 is about 522.2899061477.

The spelling of 142473764 in words is "one hundred forty-two million, four hundred seventy-three thousand, seven hundred sixty-four".