145456354 has 4 divisors (see below), whose sum is σ = 218184534. Its totient is φ = 72728176.

The previous prime is 145456331. The next prime is 145456387. The reversal of 145456354 is 453654541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 98903025 + 46553329 = 9945^2 + 6823^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36364087 + ... + 36364090.

Almost surely, 2^145456354 is an apocalyptic number.

145456354 is a deficient number, since it is larger than the sum of its proper divisors (72728180).

145456354 is an equidigital number, since it uses as much as digits as its factorization.

145456354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72728179.

The product of its digits is 144000, while the sum is 37.

The square root of 145456354 is about 12060.5287612111. The cubic root of 145456354 is about 525.9093585230.

The spelling of 145456354 in words is "one hundred forty-five million, four hundred fifty-six thousand, three hundred fifty-four".