145062219 has 16 divisors (see below), whose sum is σ = 205638912. Its totient is φ = 90755808.

The previous prime is 145062217. The next prime is 145062233. The reversal of 145062219 is 912260541.

145062219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145062219 - 2¹ = 145062217 is a prime.

It is a super-2 number, since 2×145062219² = 42086094762407922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145062217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16177 + ... + 23490.

It is an arithmetic number, because the mean of its divisors is an integer number (12852432).

Almost surely, 2^145062219 is an apocalyptic number.

145062219 is a deficient number, since it is larger than the sum of its proper divisors (60576693).

145062219 is a wasteful number, since it uses less digits than its factorization.

145062219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39746.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 145062219 is about 12044.1778050642. The cubic root of 145062219 is about 525.4339197186.

The spelling of 145062219 in words is "one hundred forty-five million, sixty-two thousand, two hundred nineteen".