145743346 has 24 divisors (see below), whose sum is σ = 269269596. Its totient is φ = 58786560.

The previous prime is 145743343. The next prime is 145743361. The reversal of 145743346 is 643347541.

It can be written as a sum of positive squares in 2 ways, for example, as 145467721 + 275625 = 12061^2 + 525^2 .

It is a super-2 number, since 2×145743346² = 42482245806551432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145743343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42075 + ... + 45406.

Almost surely, 2^145743346 is an apocalyptic number.

145743346 is a deficient number, since it is larger than the sum of its proper divisors (123526250).

145743346 is a wasteful number, since it uses less digits than its factorization.

145743346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87514 (or 87507 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 145743346 is about 12072.4208839818. The cubic root of 145743346 is about 526.2550123177.

The spelling of 145743346 in words is "one hundred forty-five million, seven hundred forty-three thousand, three hundred forty-six".