145245534 has 32 divisors (see below), whose sum is σ = 340091136. Its totient is φ = 40486080.

The previous prime is 145245533. The next prime is 145245563. The reversal of 145245534 is 435542541.

It is a junction number, because it is equal to n+sod(n) for n = 145245495 and 145245504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145245533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40452 + ... + 43895.

It is an arithmetic number, because the mean of its divisors is an integer number (10627848).

Almost surely, 2^145245534 is an apocalyptic number.

145245534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145245534 is an abundant number, since it is smaller than the sum of its proper divisors (194845602).

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

145245534 is a wasteful number, since it uses less digits than its factorization.

145245534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84400.

The product of its digits is 48000, while the sum is 33.

The square root of 145245534 is about 12051.7855108693. The cubic root of 145245534 is about 525.6551566816.

The spelling of 145245534 in words is "one hundred forty-five million, two hundred forty-five thousand, five hundred thirty-four".