145314562 has 4 divisors (see below), whose sum is σ = 217971846. Its totient is φ = 72657280.

The previous prime is 145314551. The next prime is 145314569. The reversal of 145314562 is 265413541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 145178401 + 136161 = 12049^2 + 369^2 .

It is a super-2 number, since 2×145314562² = 42232643858503688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145314569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36328639 + ... + 36328642.

Almost surely, 2^145314562 is an apocalyptic number.

145314562 is a deficient number, since it is larger than the sum of its proper divisors (72657284).

145314562 is an equidigital number, since it uses as much as digits as its factorization.

145314562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72657283.

The product of its digits is 14400, while the sum is 31.

The square root of 145314562 is about 12054.6489787136. The cubic root of 145314562 is about 525.7384161034.

The spelling of 145314562 in words is "one hundred forty-five million, three hundred fourteen thousand, five hundred sixty-two".