145407415 has 8 divisors (see below), whose sum is σ = 174570480. Its totient is φ = 116271552.

The previous prime is 145407371. The next prime is 145407419. The reversal of 145407415 is 514704541.

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

It is a cyclic number.

It is not a de Polignac number, because 145407415 - 2¹¹ = 145405367 is a prime.

It is a super-2 number, since 2×145407415² = 42286632673964450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145407419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7827 + ... + 18763.

It is an arithmetic number, because the mean of its divisors is an integer number (21821310).

Almost surely, 2^145407415 is an apocalyptic number.

145407415 is a deficient number, since it is larger than the sum of its proper divisors (29163065).

145407415 is a wasteful number, since it uses less digits than its factorization.

145407415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13601.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 145407415 is about 12058.4996993822. The cubic root of 145407415 is about 525.8503709197.

The spelling of 145407415 in words is "one hundred forty-five million, four hundred seven thousand, four hundred fifteen".