145715746 has 16 divisors (see below), whose sum is σ = 238762080. Its totient is φ = 66146080.

The previous prime is 145715729. The next prime is 145715761. The reversal of 145715746 is 647517541.

It is a junction number, because it is equal to n+sod(n) for n = 145715699 and 145715708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14190 + ... + 22198.

It is an arithmetic number, because the mean of its divisors is an integer number (14922630).

Almost surely, 2^145715746 is an apocalyptic number.

145715746 is a deficient number, since it is larger than the sum of its proper divisors (93046334).

145715746 is a wasteful number, since it uses less digits than its factorization.

145715746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8849.

The product of its digits is 117600, while the sum is 40.

The square root of 145715746 is about 12071.2777285588. The cubic root of 145715746 is about 526.2217905488.

The spelling of 145715746 in words is "one hundred forty-five million, seven hundred fifteen thousand, seven hundred forty-six".