145212296 has 8 divisors (see below), whose sum is σ = 272273070. Its totient is φ = 72606144.

The previous prime is 145212293. The next prime is 145212359. The reversal of 145212296 is 692212541.

It can be written as a sum of positive squares in only one way, i.e., 144240100 + 972196 = 12010^2 + 986^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×145212296² = 42173221819183232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145212293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9075761 + ... + 9075776.

Almost surely, 2^145212296 is an apocalyptic number.

It is an amenable number.

145212296 is a deficient number, since it is larger than the sum of its proper divisors (127060774).

145212296 is a wasteful number, since it uses less digits than its factorization.

145212296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18151543 (or 18151539 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 145212296 is about 12050.4064661737. The cubic root of 145212296 is about 525.6150566328.

The spelling of 145212296 in words is "one hundred forty-five million, two hundred twelve thousand, two hundred ninety-six".