145464498 has 40 divisors (see below), whose sum is σ = 329344092. Its totient is φ = 47983104.

The previous prime is 145464497. The next prime is 145464499. The reversal of 145464498 is 894464541.

145464498 is a `hidden beast` number, since 14 + 546 + 4 + 4 + 98 = 666.

145464498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145464497) and next prime (145464499).

It can be written as a sum of positive squares in 2 ways, for example, as 133333209 + 12131289 = 11547^2 + 3483^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145464497) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11086 + ... + 20342.

Almost surely, 2^145464498 is an apocalyptic number.

145464498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145464498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164672046).

145464498 is an abundant number, since it is smaller than the sum of its proper divisors (183879594).

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

145464498 is an equidigital number, since it uses as much as digits as its factorization.

145464498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9368 (or 9359 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 145464498 is about 12060.8663867900. The cubic root of 145464498 is about 525.9191734394.

It can be divided in two parts, 14546 and 4498, that added together give a square (19044 = 138²).

The spelling of 145464498 in words is "one hundred forty-five million, four hundred sixty-four thousand, four hundred ninety-eight".