145507614 has 128 divisors (see below), whose sum is σ = 369819648. Its totient is φ = 37255680.

The previous prime is 145507603. The next prime is 145507627. The reversal of 145507614 is 416705541.

145507614 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1287622 + ... + 1287734.

It is an arithmetic number, because the mean of its divisors is an integer number (2889216).

Almost surely, 2^145507614 is an apocalyptic number.

145507614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145507614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184909824).

145507614 is an abundant number, since it is smaller than the sum of its proper divisors (224312034).

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

145507614 is a wasteful number, since it uses less digits than its factorization.

145507614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 145507614 is about 12062.6536881401. The cubic root of 145507614 is about 525.9711295098.

The spelling of 145507614 in words is "one hundred forty-five million, five hundred seven thousand, six hundred fourteen".