145267268 has 6 divisors (see below), whose sum is σ = 254217726. Its totient is φ = 72633632.

The previous prime is 145267267. The next prime is 145267273. The reversal of 145267268 is 862762541.

It can be written as a sum of positive squares in only one way, i.e., 92006464 + 53260804 = 9592^2 + 7298^2 .

It is a super-2 number, since 2×145267268² = 42205158304367648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145267267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18158405 + ... + 18158412.

It is an arithmetic number, because the mean of its divisors is an integer number (42369621).

Almost surely, 2^145267268 is an apocalyptic number.

It is an amenable number.

145267268 is a deficient number, since it is larger than the sum of its proper divisors (108950458).

145267268 is a wasteful number, since it uses less digits than its factorization.

145267268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36316821 (or 36316819 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 145267268 is about 12052.6871692581. The cubic root of 145267268 is about 525.6813743997.

The spelling of 145267268 in words is "one hundred forty-five million, two hundred sixty-seven thousand, two hundred sixty-eight".