145786154 has 8 divisors (see below), whose sum is σ = 218735748. Its totient is φ = 72874240.

The previous prime is 145786141. The next prime is 145786163. The reversal of 145786154 is 451687541.

It can be written as a sum of positive squares in 2 ways, for example, as 140968129 + 4818025 = 11873^2 + 2195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145786154² = 42507205396223432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4184 + ... + 17580.

Almost surely, 2^145786154 is an apocalyptic number.

145786154 is a deficient number, since it is larger than the sum of its proper divisors (72949594).

145786154 is a wasteful number, since it uses less digits than its factorization.

145786154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18840.

The product of its digits is 134400, while the sum is 41.

The square root of 145786154 is about 12074.1937204933. The cubic root of 145786154 is about 526.3065314663.

The spelling of 145786154 in words is "one hundred forty-five million, seven hundred eighty-six thousand, one hundred fifty-four".