145415049 has 8 divisors (see below), whose sum is σ = 208801152. Its totient is φ = 89486160.

The previous prime is 145415003. The next prime is 145415107. The reversal of 145415049 is 940514541.

145415049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 145415049 - 2⁸ = 145414793 is a prime.

It is a super-2 number, since 2×145415049² = 42291072951344802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145415449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1864257 + ... + 1864334.

It is an arithmetic number, because the mean of its divisors is an integer number (26100144).

Almost surely, 2^145415049 is an apocalyptic number.

It is an amenable number.

145415049 is a deficient number, since it is larger than the sum of its proper divisors (63386103).

145415049 is a wasteful number, since it uses less digits than its factorization.

145415049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728607.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 145415049 is about 12058.8162354354. The cubic root of 145415049 is about 525.8595732736.

The spelling of 145415049 in words is "one hundred forty-five million, four hundred fifteen thousand, forty-nine".