145533250442 has 16 divisors (see below), whose sum is σ = 225443480064. Its totient is φ = 70387542000.

The previous prime is 145533250427. The next prime is 145533250487. The reversal of 145533250442 is 244052335541.

It is a junction number, because it is equal to n+sod(n) for n = 145533250396 and 145533250405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390734 + ... + 666137.

It is an arithmetic number, because the mean of its divisors is an integer number (14090217504).

Almost surely, 2^145533250442 is an apocalyptic number.

145533250442 is a deficient number, since it is larger than the sum of its proper divisors (79910229622).

145533250442 is a wasteful number, since it uses less digits than its factorization.

145533250442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059125.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 145533250442 its reverse (244052335541), we get a palindrome (389585585983).

The spelling of 145533250442 in words is "one hundred forty-five billion, five hundred thirty-three million, two hundred fifty thousand, four hundred forty-two".