145284530 has 16 divisors (see below), whose sum is σ = 267594624. Its totient is φ = 56762160.

The previous prime is 145284511. The next prime is 145284541. The reversal of 145284530 is 35482541.

145284530 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 2×145284530² = 42215189314641800, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168506 + ... + 169365.

It is an arithmetic number, because the mean of its divisors is an integer number (16724664).

Almost surely, 2^145284530 is an apocalyptic number.

145284530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145284530 is a deficient number, since it is larger than the sum of its proper divisors (122310094).

145284530 is a wasteful number, since it uses less digits than its factorization.

145284530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337921.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 145284530 is about 12053.4032538532. The cubic root of 145284530 is about 525.7021956822.

The spelling of 145284530 in words is "one hundred forty-five million, two hundred eighty-four thousand, five hundred thirty".