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145562514240 = 263511131955807
BaseRepresentation
bin1000011110010000110…
…0111011001101000000
3111220201111112212210010
42013210030323031000
54341103000423430
6150512005504520
713342113645663
oct2074414731500
9456644485703
10145562514240
1156807276450
1224264712140
131095a123140
14708c2b96da
153bbe23dcb0
hex21e433b340

145562514240 has 448 divisors, whose sum is σ = 571545354240. Its totient is φ = 30858485760.

The previous prime is 145562514217. The next prime is 145562514289. The reversal of 145562514240 is 42415265541.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2580417 + ... + 2636223.

It is an arithmetic number, because the mean of its divisors is an integer number (1275770880).

Almost surely, 2145562514240 is an apocalyptic number.

145562514240 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 145562514240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285772677120).

145562514240 is an abundant number, since it is smaller than the sum of its proper divisors (425982840000).

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

145562514240 is a wasteful number, since it uses less digits than its factorization.

145562514240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55870 (or 55860 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 145562514240 its reverse (42415265541), we get a palindrome (187977779781).

The spelling of 145562514240 in words is "one hundred forty-five billion, five hundred sixty-two million, five hundred fourteen thousand, two hundred forty".