145416274 has 8 divisors (see below), whose sum is σ = 218332800. Its totient is φ = 72638676.

The previous prime is 145416263. The next prime is 145416277. The reversal of 145416274 is 472614541.

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

It is a super-2 number, since 2×145416274² = 42291785488086152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145416277) 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 3 ways as a sum of consecutive naturals, for example, 32074 + ... + 36325.

It is an arithmetic number, because the mean of its divisors is an integer number (27291600).

Almost surely, 2^145416274 is an apocalyptic number.

145416274 is a deficient number, since it is larger than the sum of its proper divisors (72916526).

145416274 is a wasteful number, since it uses less digits than its factorization.

145416274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69464.

The product of its digits is 26880, while the sum is 34.

The square root of 145416274 is about 12058.8670280421. The cubic root of 145416274 is about 525.8610499116.

The spelling of 145416274 in words is "one hundred forty-five million, four hundred sixteen thousand, two hundred seventy-four".