145243552 has 24 divisors (see below), whose sum is σ = 286638912. Its totient is φ = 72446400.

The previous prime is 145243547. The next prime is 145243559. The reversal of 145243552 is 255342541.

It is not an unprimeable number, because it can be changed into a prime (145243559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8527 + ... + 19057.

It is an arithmetic number, because the mean of its divisors is an integer number (11943288).

Almost surely, 2^145243552 is an apocalyptic number.

It is an amenable number.

145243552 is a deficient number, since it is larger than the sum of its proper divisors (141395360).

145243552 is a wasteful number, since it uses less digits than its factorization.

145243552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10972 (or 10964 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 145243552 is about 12051.7032821091. The cubic root of 145243552 is about 525.6527656654.

The spelling of 145243552 in words is "one hundred forty-five million, two hundred forty-three thousand, five hundred fifty-two".