145133415 has 48 divisors (see below), whose sum is σ = 293649408. Its totient is φ = 64928448.

The previous prime is 145133411. The next prime is 145133423. The reversal of 145133415 is 514331541.

It is a happy number.

It is not a de Polignac number, because 145133415 - 2² = 145133411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145133411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9904 + ... + 19706.

It is an arithmetic number, because the mean of its divisors is an integer number (6117696).

Almost surely, 2^145133415 is an apocalyptic number.

145133415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145133415 is an abundant number, since it is smaller than the sum of its proper divisors (148515993).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145133415 is a wasteful number, since it uses less digits than its factorization.

145133415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9868 (or 9865 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 145133415 is about 12047.1330614383. The cubic root of 145133415 is about 525.5198660003.

Adding to 145133415 its reverse (514331541), we get a palindrome (659464956).

The spelling of 145133415 in words is "one hundred forty-five million, one hundred thirty-three thousand, four hundred fifteen".