145401530 has 8 divisors (see below), whose sum is σ = 261722772. Its totient is φ = 58160608.

The previous prime is 145401523. The next prime is 145401559. The reversal of 145401530 is 35104541.

145401530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 142157929 + 3243601 = 11923^2 + 1801^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145401530² = 42283209852681800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145401496 and 145401505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7270067 + ... + 7270086.

Almost surely, 2^145401530 is an apocalyptic number.

145401530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145401530 is a deficient number, since it is larger than the sum of its proper divisors (116321242).

145401530 is a wasteful number, since it uses less digits than its factorization.

145401530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14540160.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 145401530 is about 12058.2556781651. The cubic root of 145401530 is about 525.8432766662.

The spelling of 145401530 in words is "one hundred forty-five million, four hundred one thousand, five hundred thirty".