142946436 has 48 divisors (see below), whose sum is σ = 339220224. Its totient is φ = 46845216.

The previous prime is 142946431. The next prime is 142946437. The reversal of 142946436 is 634649241.

It is a junction number, because it is equal to n+sod(n) for n = 142946394 and 142946403.

It is not an unprimeable number, because it can be changed into a prime (142946431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208951 + ... + 209633.

It is an arithmetic number, because the mean of its divisors is an integer number (7067088).

Almost surely, 2^142946436 is an apocalyptic number.

It is an amenable number.

142946436 is an abundant number, since it is smaller than the sum of its proper divisors (196273788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142946436 is a wasteful number, since it uses less digits than its factorization.

142946436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 958 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 142946436 is about 11956.0209099851. The cubic root of 142946436 is about 522.8668528588.

The spelling of 142946436 in words is "one hundred forty-two million, nine hundred forty-six thousand, four hundred thirty-six".