142953494 has 16 divisors (see below), whose sum is σ = 217201920. Its totient is φ = 70557480.

The previous prime is 142953467. The next prime is 142953521. The reversal of 142953494 is 494359241.

It is an interprime number because it is at equal distance from previous prime (142953467) and next prime (142953521).

It is a super-3 number, since 3×142953494³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77159 + ... + 78989.

It is an arithmetic number, because the mean of its divisors is an integer number (13575120).

Almost surely, 2^142953494 is an apocalyptic number.

142953494 is a deficient number, since it is larger than the sum of its proper divisors (74248426).

142953494 is a wasteful number, since it uses less digits than its factorization.

142953494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315.

The product of its digits is 155520, while the sum is 41.

The square root of 142953494 is about 11956.3160714327. The cubic root of 142953494 is about 522.8754582582.

The spelling of 142953494 in words is "one hundred forty-two million, nine hundred fifty-three thousand, four hundred ninety-four".