145305510 has 32 divisors (see below), whose sum is σ = 398552832. Its totient is φ = 33212640.

The previous prime is 145305497. The next prime is 145305539. The reversal of 145305510 is 15503541.

145305510 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145305510² = 42227382472720200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345756 + ... + 346175.

It is an arithmetic number, because the mean of its divisors is an integer number (12454776).

Almost surely, 2^145305510 is an apocalyptic number.

145305510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145305510 is an abundant number, since it is smaller than the sum of its proper divisors (253247322).

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

145305510 is a wasteful number, since it uses less digits than its factorization.

145305510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691948.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 145305510 is about 12054.2735160606. The cubic root of 145305510 is about 525.7274993655.

The spelling of 145305510 in words is "one hundred forty-five million, three hundred five thousand, five hundred ten".