145434494 has 16 divisors (see below), whose sum is σ = 224455968. Its totient is φ = 70623072.

The previous prime is 145434463. The next prime is 145434521. The reversal of 145434494 is 494434541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48647 + ... + 51549.

It is an arithmetic number, because the mean of its divisors is an integer number (14028498).

Almost surely, 2^145434494 is an apocalyptic number.

145434494 is a deficient number, since it is larger than the sum of its proper divisors (79021474).

145434494 is a wasteful number, since it uses less digits than its factorization.

145434494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619.

The product of its digits is 138240, while the sum is 38.

The square root of 145434494 is about 12059.6224650691. The cubic root of 145434494 is about 525.8830116631.

The spelling of 145434494 in words is "one hundred forty-five million, four hundred thirty-four thousand, four hundred ninety-four".