145117060 has 96 divisors (see below), whose sum is σ = 353808000. Its totient is φ = 49443840.

The previous prime is 145117057. The next prime is 145117061. The reversal of 145117060 is 60711541.

It is a happy number.

It is a super-2 number, since 2×145117060² = 42117922206087200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145117061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 622704 + ... + 622936.

It is an arithmetic number, because the mean of its divisors is an integer number (3685500).

Almost surely, 2^145117060 is an apocalyptic number.

145117060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145117060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176904000).

145117060 is an abundant number, since it is smaller than the sum of its proper divisors (208690940).

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

145117060 is a wasteful number, since it uses less digits than its factorization.

145117060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 145117060 is about 12046.4542501103. The cubic root of 145117060 is about 525.5001250828.

The spelling of 145117060 in words is "one hundred forty-five million, one hundred seventeen thousand, sixty".