145214672 has 10 divisors (see below), whose sum is σ = 281353458. Its totient is φ = 72607328.

The previous prime is 145214659. The next prime is 145214681. The reversal of 145214672 is 276412541.

It can be written as a sum of positive squares in only one way, i.e., 102495376 + 42719296 = 10124^2 + 6536^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4537943 + ... + 4537974.

Almost surely, 2^145214672 is an apocalyptic number.

It is an amenable number.

145214672 is a deficient number, since it is larger than the sum of its proper divisors (136138786).

145214672 is an equidigital number, since it uses as much as digits as its factorization.

145214672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9075925 (or 9075919 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 145214672 is about 12050.5050516565. The cubic root of 145214672 is about 525.6179233656.

The spelling of 145214672 in words is "one hundred forty-five million, two hundred fourteen thousand, six hundred seventy-two".