145494300 has 144 divisors (see below), whose sum is σ = 487746560. Its totient is φ = 32797440.

The previous prime is 145494227. The next prime is 145494301. The reversal of 145494300 is 3494541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145494301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 165462 + ... + 166338.

Almost surely, 2^145494300 is an apocalyptic number.

145494300 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 145494300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243873280).

145494300 is an abundant number, since it is smaller than the sum of its proper divisors (342252260).

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

145494300 is a wasteful number, since it uses less digits than its factorization.

145494300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 145494300 is about 12062.1018068992. The cubic root of 145494300 is about 525.9550868368.

The spelling of 145494300 in words is "one hundred forty-five million, four hundred ninety-four thousand, three hundred".