145451034 has 48 divisors (see below), whose sum is σ = 330033600. Its totient is φ = 46208448.

The previous prime is 145451021. The next prime is 145451077. The reversal of 145451034 is 430154541.

It is a happy number.

145451034 is a `hidden beast` number, since 14 + 545 + 103 + 4 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145450989 and 145451007.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168897 + ... + 169755.

It is an arithmetic number, because the mean of its divisors is an integer number (6875700).

Almost surely, 2^145451034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145451034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165016800).

145451034 is an abundant number, since it is smaller than the sum of its proper divisors (184582566).

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

145451034 is a wasteful number, since it uses less digits than its factorization.

145451034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 145451034 is about 12060.3082050170. The cubic root of 145451034 is about 525.9029468129.

The spelling of 145451034 in words is "one hundred forty-five million, four hundred fifty-one thousand, thirty-four".