145214716 has 12 divisors (see below), whose sum is σ = 262888920. Its totient is φ = 70103600.

The previous prime is 145214689. The next prime is 145214717. The reversal of 145214716 is 617412541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145214717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625810 + ... + 626041.

It is an arithmetic number, because the mean of its divisors is an integer number (21907410).

Almost surely, 2^145214716 is an apocalyptic number.

It is an amenable number.

145214716 is a deficient number, since it is larger than the sum of its proper divisors (117674204).

145214716 is a wasteful number, since it uses less digits than its factorization.

145214716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251884 (or 1251882 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 145214716 is about 12050.5068773060. The cubic root of 145214716 is about 525.6179764530.

The spelling of 145214716 in words is "one hundred forty-five million, two hundred fourteen thousand, seven hundred sixteen".