145285415 has 8 divisors (see below), whose sum is σ = 190191888. Its totient is φ = 105662080.

The previous prime is 145285409. The next prime is 145285423. The reversal of 145285415 is 514582541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145285415 - 2⁶ = 145285351 is a prime.

It is a super-2 number, since 2×145285415² = 42215703623444450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 1320722 + ... + 1320831.

It is an arithmetic number, because the mean of its divisors is an integer number (23773986).

Almost surely, 2^145285415 is an apocalyptic number.

145285415 is a deficient number, since it is larger than the sum of its proper divisors (44906473).

145285415 is a wasteful number, since it uses less digits than its factorization.

145285415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641569.

The product of its digits is 32000, while the sum is 35.

The square root of 145285415 is about 12053.4399654207. The cubic root of 145285415 is about 525.7032631174.

The spelling of 145285415 in words is "one hundred forty-five million, two hundred eighty-five thousand, four hundred fifteen".