145731714 has 16 divisors (see below), whose sum is σ = 292717152. Its totient is φ = 48368288.

The previous prime is 145731709. The next prime is 145731731. The reversal of 145731714 is 417137541.

It is a happy 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, 50724 + ... + 53519.

It is an arithmetic number, because the mean of its divisors is an integer number (18294822).

Almost surely, 2^145731714 is an apocalyptic number.

145731714 is an abundant number, since it is smaller than the sum of its proper divisors (146985438).

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

145731714 is a wasteful number, since it uses less digits than its factorization.

145731714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104481.

The product of its digits is 11760, while the sum is 33.

The square root of 145731714 is about 12071.9391151546. The cubic root of 145731714 is about 526.2410115387.

The spelling of 145731714 in words is "one hundred forty-five million, seven hundred thirty-one thousand, seven hundred fourteen".