145311602 has 8 divisors (see below), whose sum is σ = 218038656. Its totient is φ = 72632052.

The previous prime is 145311581. The next prime is 145311611. The reversal of 145311602 is 206113541.

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

It is a super-2 number, since 2×145311602² = 42230923351612808, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 2858 + ... + 17285.

It is an arithmetic number, because the mean of its divisors is an integer number (27254832).

Almost surely, 2^145311602 is an apocalyptic number.

145311602 is a deficient number, since it is larger than the sum of its proper divisors (72727054).

145311602 is a wasteful number, since it uses less digits than its factorization.

145311602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23752.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 145311602 is about 12054.5262038788. The cubic root of 145311602 is about 525.7348463848.

The spelling of 145311602 in words is "one hundred forty-five million, three hundred eleven thousand, six hundred two".