145146692 has 24 divisors (see below), whose sum is σ = 257316696. Its totient is φ = 71633408.

The previous prime is 145146691. The next prime is 145146707. The reversal of 145146692 is 296641541.

It can be written as a sum of positive squares in 4 ways, for example, as 43217476 + 101929216 = 6574^2 + 10096^2 .

It is not an unprimeable number, because it can be changed into a prime (145146691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142778 + ... + 143790.

It is an arithmetic number, because the mean of its divisors is an integer number (10721529).

Almost surely, 2^145146692 is an apocalyptic number.

It is an amenable number.

145146692 is a deficient number, since it is larger than the sum of its proper divisors (112170004).

145146692 is a wasteful number, since it uses less digits than its factorization.

145146692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447 (or 1445 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 145146692 is about 12047.6840928039. The cubic root of 145146692 is about 525.5358905997.

The spelling of 145146692 in words is "one hundred forty-five million, one hundred forty-six thousand, six hundred ninety-two".