145098550 has 24 divisors (see below), whose sum is σ = 273917736. Its totient is φ = 57171840.

The previous prime is 145098533. The next prime is 145098557. The reversal of 145098550 is 55890541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145098557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18307 + ... + 25006.

It is an arithmetic number, because the mean of its divisors is an integer number (11413239).

Almost surely, 2^145098550 is an apocalyptic number.

145098550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145098550 is a deficient number, since it is larger than the sum of its proper divisors (128819186).

145098550 is a wasteful number, since it uses less digits than its factorization.

145098550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43392 (or 43387 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 145098550 is about 12045.6859497498. The cubic root of 145098550 is about 525.4777812341.

It can be divided in two parts, 1450 and 98550, that added together give a 5-th power (100000 = 10⁵).

The spelling of 145098550 in words is "one hundred forty-five million, ninety-eight thousand, five hundred fifty".