145713894 has 16 divisors (see below), whose sum is σ = 294258432. Its totient is φ = 48099528.

The previous prime is 145713871. The next prime is 145713899. The reversal of 145713894 is 498317541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145713899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117274 + ... + 118509.

It is an arithmetic number, because the mean of its divisors is an integer number (18391152).

Almost surely, 2^145713894 is an apocalyptic number.

145713894 is an abundant number, since it is smaller than the sum of its proper divisors (148544538).

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

145713894 is a wasteful number, since it uses less digits than its factorization.

145713894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235891.

The product of its digits is 120960, while the sum is 42.

The square root of 145713894 is about 12071.2010172973. The cubic root of 145713894 is about 526.2195611697.

It can be divided in two parts, 1457 and 13894, that added together give a palindrome (15351).

The spelling of 145713894 in words is "one hundred forty-five million, seven hundred thirteen thousand, eight hundred ninety-four".